| Song | Composers | Album | Year | Notes |
|---|
| "After You've Gone" | Henry Creamer, Turner Layton | 25 | 1992 | instrumental |
| "All the Way" | Jimmy Van Heusen, Sammy Cahn | Your Songs | 2009 | feat. Branford Marsalis on saxophone |
| "All These People" | Harry Connick Jr. | Oh, My NOLA | 2007 | duet with Kim Burrell |
| "All These Things" | Allen Toussaint | Only You | 2004 | |
| "All Things" | Harry Connick Jr. | Occasion : Connick on Piano, Volume 2 | 2005 | instrumental |
| "All Things" (2) | Harry Connick Jr. | Harry on Broadway, Act I | 2006 | |
| "And I Love Her" | Lennon–McCartney | Your Songs | 2009 | |
| "And I Love You So" | Don McLean | Your Songs | 2009 | |
| "Ash Wednesday" | Harry Connick Jr. | Chanson du Vieux Carré : Connick on Piano, Volume 3 | 2007 | instrumental |
| "Auld Lang Syne" | traditional | What a Night! A Christmas Album bonus track | 2008 | instrumental |
| "Autumn in New York" | Vernon Duke | When Harry Met Sally... | 1989 | instrumental |
| "Avalon" | V. Rose, A. Jolson, B. DeSylva | 20 | 1988 | instrumental |
| "Ave Maria" | Franz Schubert, Sir Walter Scott | When My Heart Finds Christmas | 1993 | |
| "Baby, It's Cold Outside" | Frank Loesser | Lee Ann Womack album: The Season for Romance | 2002 | duet with Lee Ann Womack |
| "The Bare Necessities" | Terry Gilkyson | Various Artists album: Simply Mad About The Mouse | 1991 | |
| "Basin Street Blues" | Spencer Williams | Dixieland Plus | 1977 | instrumental |
| "Basin Street Blues" (2) | Spencer Williams | 20 | 1988 | |
| "Bayou Maharajah" | Harry Connick Jr. | Lofty's Roach Souffle | 1990 | instrumental |
| "Bésame Mucho" | Consuelo Velázquez, Sunny Skylar | Your Songs | 2009 | Lyrics in Spanish and English |
| "Between Us" | Harry Connick Jr., Ramsey McLean | She | 1994 | |
| "The Blessed Dawn Of Christmas Day" | Harry Connick Jr. | When My Heart Finds Christmas | 1993 | |
| "A Blessing and a Curse" | Harry Connick Jr., Ramsey McLean | Blue Light, Red Light | 1991 | |
| "Blue Christmas" | Billy Hayes, Jay W. Johnson | Harry for the Holidays | 2003 | |
| "Blue Light, Red Light (Someone's There)" | Harry Connick Jr., Ramsey McLean | Blue Light, Red Light | 1991 | |
| "Blue Skies" | Irving Berlin | 20 | 1988 | instrumental |
| "Bommer's Boogie" | Harry Connick Jr. | Dixieland Plus | 1977 | instrumental |
| "Booker" | Harry Connick Jr., Ramsey McLean | She | 1994 | |
| "Boozehound" | Harry Connick Jr. | Star Turtle | 1996 | |
| "Bourbon Street Parade" | Paul Barbarin | Dixieland Plus | 1977 | instrumental |
| "Bourbon Street Parade" (2) | Paul Barbarin | Chanson du Vieux Carré : Connick on Piano, Volume 3 | 2007 | instrumental |
| "Brown World" | Harry Connick Jr. | Occasion : Connick on Piano, Volume 2 | 2005 | instrumental |
| "Buried in Blue" | Harry Connick Jr., Ramsey McLean | We Are in Love | 1990 | |
| "But Not for Me" | George Gershwin, Ira Gershwin | When Harry Met Sally... | 1989 | |
| "Can't Help Falling in Love With You" | George David Weiss, Hugo Peretti, Luigi Creatore | Your Songs | 2009 | feat. Wynton Marsalis on trumpet |
| "Can't We Tell" | Harry Connick Jr. | Other Hours : Connick on Piano, Volume 1 | 2003 | instrumental |
| "Can't We Tell" (2) | Harry Connick Jr. | Harry on Broadway, Act I | 2006 | duet with Kelli O'Hara |
| "Caravan" | Duke Ellington, Irving Mills, Juan Tizol | 25 | 1992 | instrumental |
| "Careless Love" | Martin Kaelin, Mac Rebennack | Oh, My NOLA | 2007 | |
| "Change Partners" | Irving Berlin | Come by Me | 1999 | |
| "Chanson Du Vieux Carre" | Harry Connick Jr. | Occasion : Connick on Piano, Volume 2 | 2005 | instrumental |
| "Chanson du Vieux Carré" (2) | Harry Connick Jr. | Chanson du Vieux Carré : Connick on Piano, Volume 3 | 2007 | instrumental |
| "Charade" | Henry Mancini, Johnny Mercer | Come by Me | 1999 | |
| "Chattanooga Choo Choo" | Mack Gordon, Harry Warren | 30 | 2001 | instrumental |
| "Christmas Day" | Harry Connick Jr. | What a Night! A Christmas Album | 2008 | |
| "Christmas Dreaming" | Irving Gordon, Lester Lee | When My Heart Finds Christmas | 1993 | |
| "Christmas Time is Here" | Vince Guaraldi, Lee Mendelson | What a Night! A Christmas Album bonus track | 2008 | |
| "The Christmas Waltz" | Sammy Cahn, Jule Styne | Harry for the Holidays | 2003 | |
| "City Beneath the Sea | Harry Connick Jr. | Star Turtle | 1996 | |
| "Colomby Day" | Harry Connick Jr. | Lofty's Roach Souffle | 1990 | instrumental |
| "Come By Me" | Harry Connick Jr. | Come by Me | 1999 | |
| "Cry Me a River" | Arthur Hamilton | Come by Me | 1999 | |
| "Dance Of The Sugarplum Fairies" | Pyotr Ilyich Tchaikovsky | What a Night! A Christmas Album | 2008 | instrumental |
| "Danny Boy" | Frederic Weatherly | Come by Me | 1999 | |
| "Deck the Halls" | traditional | What a Night! A Christmas Album bonus track | 2008 | |
| "Didn't He Ramble" | Harry Bolton | 25 | 1992 | |
| "Ding-Dong! The Witch Is Dead" | Harold Arlen, E.Y. "Yip" Harburg | Songs I Heard | 2001 | |
| "Do Nothin' Till You Hear From Me" | Duke Ellington, Bob Russell | 20 | 1988 | |
| "Do Dat Thing" | Harry Connick Jr. | Oh, My NOLA | 2007 | |
| "Do You Know What It Means To Miss New Orleans" | E. DeLange, L. Alter | 20 | 1988 | duet with Dr. John |
| "Do-Re-Mi" | Richard Rodgers, Oscar Hammerstein II | Songs I Heard | 2001 | |
| "Doctor Jazz" | Joe "King" Oliver, Walter Melrose | Eleven | 1979 | |
| "Don't Fence Me In" | Robert Fletcher, Cole Porter | 30 | 2001 | |
| "Don't Get Around Much Anymore" | Duke Ellington, Bob Russell | When Harry Met Sally... | 1989 | |
| "Don't Like Goodbyes" | Harold Arlen, Truman Capote | 30 | 2001 | |
| "Drifting" | Marc Shaiman | We Are in Love | 1990 | |
| "Dumb Luck" | Harry Connick Jr. | Other Hours : Connick on Piano, Volume 1 | 2003 | instrumental |
| "E" | Harry Connick Jr. | Harry Connick Jr | 1987 | instrumental |
| "Easy for You to Say" | Harry Connick Jr. | Come by Me | 1999 | |
| "Edelweiss" | Richard Rodgers, Oscar Hammerstein II | Songs I Heard | 2001 | |
| "Elijah Rock" | traditional | Oh, My NOLA | 2007 | |
| "Eyes of the Seeker" | Harry Connick Jr. | Star Turtle | 1996 | |
| "Fidgety Feet" | Eddie Edwards, Nick LaRocca, Henry Ragas, Tony Sbarbaro, Larry Shields | Chanson du Vieux Carré : Connick on Piano, Volume 3 | 2007 | instrumental |
| "First Time Ever I Saw Your Face" | Ewan MacColl | Your Songs | 2009 | |
| "Five Foot Two, Eyes of Blue" | Ray Henderson, Sam Lewis, Joe Young | Dixieland Plus | 1977 | instrumental |
| "For Once in My Life" | Orlando Murden, Ronald Miller | Only You | 2004 | |
| "Forever, for Now" | Harry Connick Jr., Ramsey McLean | We Are in Love | 1990 | |
| "Frosty The Snow Man" | Steve Nelson, Jack Rollins | Harry for the Holidays | 2003 | |
| "Funky Dunky" | Harry Connick Jr. | She | 1994 | |
| "Good Night My Love (Pleasant Dreams)" | George Motola, John Marascalco | Only You | 2004 | |
| "Good To Be Home" | Harry Connick Jr. | Occasion : Connick on Piano, Volume 2 | 2005 | instrumental |
| "The Gypsy" | Billy Reid | 30 | 2001 | |
| "The Happy Elf" | Harry Connick Jr. | Harry for the Holidays | 2003 | |
| "Harronymous" | Harry Connick Jr. | Lofty's Roach Souffle | 1990 | instrumental |
| "He Is They Are" | Harry Connick Jr. | Blue Light, Red Light | 1991 | |
| "Hear Me in the Harmony" | Harry Connick Jr. | Star Turtle | 1996 | |
| "Heart Beyond Repair" | Harry Connick Jr. | To See You | 1997 | |
| "Heavenly" | Harry Connick Jr., Ramsey McLean | We Are in Love | 1990 | |
| "Hello Dolly" | Jerry Herman | Oh, My NOLA | 2007 | |
| "Here Comes the Big Parade" | Harry Connick Jr., Ramsey McLean | She | 1994 | |
| "Hernando's Hideaway" | Richard Adler, Jerry Ross | Harry on Broadway, Act I | 2006 | duet with Megan Lawrence |
| "Hey There" | Richard Adler, Jerry Ross | Harry on Broadway, Act I | 2006 | |
| "Hey There" (2) | Richard Adler, Jerry Ross | Harry on Broadway, Act I | 2006 | |
| "Hey There Reprise / If You Win You Lose" | Richard Adler, Jerry Ross | Harry on Broadway, Act I | 2006 | duet with Kelli O'Hara |
| "Holly Jolly Christmas" | Johnny Marks | What a Night! A Christmas Album | 2008 | |
| "Honestly Now (Safety's Just Danger...Out of Place)" | Harry Connick Jr., Ramsey McLean | She | 1994 | |
| "How About Tonight" | Harry Connick Jr. | Other Hours : Connick on Piano, Volume 1 | 2003 | instrumental |
| "How Do Y'all Know" | Harry Connick Jr. | Star Turtle | 1996 | |
| "Hudson Bomber" | Harry Connick Jr. | Lofty's Roach Souffle | 1990 | instrumental |
| "I Come With Love" | Harry Connick Jr. | Harry for the Holidays | 2003 | |
| "(I Could Only) Whisper Your Name" | Harry Connick Jr., Ramsey McLean | She | 1994 | |
| "I Could Write a Book" | Lorenz Hart, Richard Rodgers | When Harry Met Sally... | 1989 | |
| "I Like Love More" | Harry Connick Jr. | Occasion : Connick on Piano, Volume 2 | 2005 | instrumental |
| "I Like Love More" | Harry Connick Jr. | Harry on Broadway, Act I | 2006 | duet with Kelli O'Hara |
| "I Mean You" | Thelonious Monk | Harry Connick Jr | 1987 | instrumental |
| "I Only Have Eyes for You" | Al Dubin, Harry Warren | Only You | 2004 | |
| "I Pray On Christmas" | Harry Connick Jr. | When My Heart Finds Christmas | 1993 | |
| "I Still Get Jealous" | Sammy Cahn, Jule Styne | Chanson du Vieux Carré : Connick on Piano, Volume 3 | 2007 | instrumental |
| "I Wish You Love" | Léo Chauliac, Albert A. Beach | France, I Wish You Love, France compilation | 1993 | |
| "I Wonder As I Wander" | traditional | Harry for the Holidays | 2003 | |
| "I'll Be Home for Christmas" | Kim Gannon, Walter Kent, Buck Ram | Harry for the Holidays | 2003 | |
| "I'll Dream of You Again" | Harry Connick Jr. | We Are in Love | 1990 | |
| "I'll Only Miss Her When I Think of Her" | Sammy Cahn, Jimmy Van Heusen | 30 | 2001 | |
| "I'm An Old Cowhand (From The Rio Grande)" | Johnny Mercer | 25 | 1992 | |
| "I'm Gonna Be The First One" | Harry Connick Jr. | Harry for the Holidays | 2003 | |
| "I'm Walkin'" | Dave Bartholomew, Fats Domino | 30 | 2001 | |
| "Golden Ticket"/"I Want It Now" | Leslie Bricusse, Anthony Newley | Songs I Heard | 2001 | |
| "I've Got a Great Idea" | Harry Connick Jr. | We Are in Love | 1990 | |
| "If I Could Give You More" | Harry Connick Jr., Ramsey McLean | Blue Light, Red Light | 1991 | |
| "If I Only Had A Brain" | Harold Arlen, E.Y. "Yip" Harburg | 20 | 1988 | |
| "If I Were a Bell" | Frank Loesser | 30 | 2001 | |
| "Imagination" | J. Burke, J. VanHeusen | 20 | 1988 | |
| "In Love Again" | Harry Connick Jr. | To See You | 1997 | |
| "It Had to Be You" | Isham Jones, Gus Kahn | When Harry Met Sally... | 1989 | |
| "It Had to Be You (Instrumental Trio)" | Isham Jones, Gus Kahn | When Harry Met Sally... | 1989 | instrumental |
| "(It Must've Been Ol') Santa Claus" | Harry Connick Jr. | When My Heart Finds Christmas | 1993 | |
| "It's All Right with Me" | Cole Porter | We Are in Love | 1990 | |
| "It's Beginning to Look a Lot Like Christmas" | Meredith Willson | What a Night! A Christmas Album | 2008 | |
| "It's the Most Wonderful Time of the Year" | Edward Pola, George Wyle | What a Night! A Christmas Album | 2008 | |
| "It's Time" | Harry Connick Jr., Ramsey McLean | Blue Light, Red Light | 1991 | |
| "Jambalaya (On The Bayou)" | Hank Williams | Oh, My NOLA | 2007 | |
| "Jazz Me Blues" | Tom Delaney | Eleven | 1979 | instrumental |
| "Jill" | Harry Connick Jr. | Blue Light, Red Light | 1991 | |
| "Jingle Bells" | James Lord Pierpont | What a Night! A Christmas Album | 2008 | |
| "The Jitterbug" | Harold Arlen, E.Y. "Yip" Harburg | Songs I Heard | 2001 | |
| "Joe Avery's Piece" | traditional | Eleven | 1979 | instrumental |
| "Joe Slam and the Spaceship" | Harry Connick Jr., Jonathan DuBose, Tony Hall | She | 1994 | |
| "Junco Partner" | Bob Shad | 30 | 2001 | |
| "Just a Boy" | Harry Connick Jr., Ramsey McLean | We Are in Love | 1990 | |
| "Just a Closer Walk with Thee" | Sallie Martin | Dixieland Plus | 1977 | instrumental |
| "Just a Closer Walk With Thee" (2) | Sallie Martin | Come by Me bonus track | 1999 | |
| "Just Come Home" | | Oh, My NOLA bonus track | 2007 | |
| "Just Kiss Me" | Harry Connick Jr. | Blue Light, Red Light | 1991 | |
| "Just Like Me" | Harry Connick Jr. | Star Turtle | 1996 | |
| "Just the Way You Are" | Billy Joel | Your Songs | 2009 | |
| "Killing Me Softly" | Charles Fox, Norman Gimbel | Your Songs bonus track | 2009 | |
| "The Last Payday" | Harry Connick Jr., Ramsey McLean | Blue Light, Red Light | 1991 | |
| "Lazy River" | Hoagy Carmichael, Sidney Arodin | Eleven | 1979 | instrumental |
| "Lazy River" (2) | Hoagy Carmichael, Sidney Arodin | 20 | 1988 | instrumental |
| "Lazybones" | Hoagy Carmichael, Johnny Mercer | 25 | 1992 | duet with Johnny Adams |
| "Lazybones" (2) | Hoagy Carmichael, Johnny Mercer | Oh, My NOLA | 2007 | |
| "Learn to Love" | Harry Connick Jr. | To See You | 1997 | |
| "Let It Snow! Let It Snow! Let It Snow!" | Sammy Cahn, Jule Styne | When My Heart Finds Christmas | 1993 | |
| "Let Me Love Tonight" | Harry Connick Jr. | To See You | 1997 | |
| "Let Me Love You, It's OK" | | Swing Time, Japan compilation | 1992 | |
| "Let Them Talk" | Harry Carlson, Lew Douglas, Erwin King | Oh, My NOLA | 2007 | |
| "Let There Be Peace On Earth" | Sy Miller, Jill Jackson | What a Night! A Christmas Album | 2008 | duet with Kim Burrell |
| "Let's Call the Whole Thing Off" | George Gershwin, Ira Gershwin | When Harry Met Sally... | 1989 | |
| "Let's Just Kiss" | Harry Connick Jr. | To See You | 1997 | |
| "Little Clown" | Harry Connick Jr. | Harry Connick Jr | 1987 | instrumental |
| "Little Dancing Girl" | Harry Connick Jr. | Lofty's Roach Souffle | 1990 | instrumental |
| "The Little Drummer Boy" | Katherine K. Davis, Henry Onorati, Harry Simeone | When My Heart Finds Christmas | 1993 | |
| "Little Farley" | Harry Connick Jr. | Star Turtle | 1996 | |
| "Little Waltz" | Ron Carter | Harry Connick Jr | 1987 | instrumental |
| "Lofty's Roach Soufflé" | Harry Connick Jr. | Lofty's Roach Souffle | 1990 | instrumental |
| "The Lonely Goatherd" | Oscar Hammerstein II, Richard Rodgers | Songs I Heard | 2001 | |
| "Lonely Side" | Harry Connick Jr. | Lofty's Roach Souffle | 1990 | instrumental |
| "Lose" | Harry Connick Jr. | Occasion : Connick on Piano, Volume 2 | 2005 | instrumental |
| "Love for Sale" | Cole Porter | Come by Me | 1999 | |
| "Love Is Here to Stay" | George Gershwin, Ira Gershwin | Harry Connick Jr | 1987 | instrumental |
| "Love Is Here to Stay" | George Gershwin, Ira Gershwin | When Harry Met Sally... | 1989 | |
| "Love Me Some You" | Harry Connick Jr. | To See You | 1997 | |
| "Loved by Me" | Harry Connick Jr. | To See You | 1997 | |
| "Luscious" | Harry Connick Jr. | Chanson du Vieux Carré : Connick on Piano, Volume 3 | 2007 | instrumental |
| "Mardi Gras in New Orleans" | Professor Longhair | Chanson du Vieux Carré : Connick on Piano, Volume 3 | 2007 | instrumental |
| "Mary Ruth" | Harry Connick Jr. | Lofty's Roach Souffle | 1990 | instrumental |
| "Mary's Little Boy Child" | Jester Hairston | Harry for the Holidays | 2003 | |
| "Maybe" | Martin Charnin, Charles Strouse | Songs I Heard | 2001 | |
| "Merry Old Land of Oz" | Harold Arlen, E.Y. "Yip" Harburg | Songs I Heard | 2001 | |
| "A Moment With Me" | Harry Connick Jr. | Come by Me | 1999 | |
| "Moment's Notice" | John Coltrane | 25 | 1992 | instrumental |
| "Mona Lisa" | Jay Livingston, Ray Evans | Your Songs | 2009 | |
| "More" | Riz Ortolani, Nino Oliviero, Norman Newell | Only You | 2004 | |
| "Mr. Spill" | Harry Connick Jr. | Lofty's Roach Souffle | 1990 | instrumental |
| "Much Love" | Harry Connick Jr. | To See You | 1997 | |
| "Muskrat Ramble" | Ray Gilbert, Kid Ory | Eleven | 1979 | instrumental |
| "Music, Maestro, Please" | Herbert Magidson, Allie Wrubel | 25 | 1992 | instrumental |
| "Muskrat Ramble" | Ray Gilbert, Kid Ory | 25 | 1992 | instrumental |
| "My Blue Heaven" | Walter Donaldson, George A. Whiting | Only You | 2004 | |
| "My Girl Back Home" | Richard Rodgers, Oscar Hammerstein II | South Pacific soundtrack | 2001 | duet with Glenn Close |
| "My Little World" | Harry Connick Jr. | Other Hours : Connick on Piano, Volume 1 | 2003 | instrumental |
| "My Prayer" | Jimmy Kennedy, Georges Boulanger | Only You | 2004 | |
| "Nature Boy" | eden ahbez | Harry for the Holidays | 2003 | |
| "Never Young" | Harry Connick Jr. | Star Turtle | 1996 | |
| "New Orleans" | Hoagy Carmichael | 30 | 2001 | instrumental |
| "New Orleans" (2) | Hoagy Carmichael | Chanson du Vieux Carré : Connick on Piano, Volume 3 | 2007 | instrumental |
| "A New Town Is A Blue Town" | Richard Adler, Jerry Ross | Harry on Broadway, Act I | 2006 | |
| "Next Door Blues" | Harry Connick Jr. | Come by Me | 1999 | |
| "A Nightingale Sang in Berkeley Square" | Eric Maschwitz, Manning Sherwin | We Are in Love | 1990 | |
| "Nobody Like You to Me" | Harry Connick Jr. | Star Turtle | 1996 | |
| "Nothin' New For New Year" | Harry Connick Jr. | Harry for the Holidays | 2003 | duet with George Jones |
| "Nowhere With Love" | Harry Connick Jr. | Come by Me | 1999 | |
| "O Christmas Tree" | traditional | What a Night! A Christmas Album bonus track | 2008 | |
| "O Come All Ye Faithful" | traditional | What a Night! A Christmas Album | 2008 | |
| "O Holy Night" | Adolphe Adam, Placide Cappeau | When My Heart Finds Christmas | 1993 | |
| "O Little Town of Bethlehem" | Lewis H. Redner, Phillip Brooks | Harry for the Holidays | 2003 | |
| "Occasion" | Branford Marsalis | Occasion : Connick on Piano, Volume 2 | 2005 | instrumental |
| "Oh, Ain't That Sweet" | Harry Connick Jr. | Other Hours : Connick on Piano, Volume 1 | 2003 | instrumental |
| "Oh! Ain't That Sweet" (2) | Harry Connick Jr. | Harry on Broadway, Act I | 2006 | |
| "Oh, My Dear (Something's Gone Wrong)" | Harry Connick Jr. | Other Hours : Connick on Piano, Volume 1 | 2003 | instrumental |
| "Oh, My Dear (Something's Gone Wrong)" (2) | Harry Connick Jr. | Harry on Broadway, Act I | 2006 | |
| "Oh, My NOLA" | Harry Connick Jr. | Oh, My NOLA | 2007 | |
| "On Green Dolphin Street" | Ned Washington, Bronisław Kaper | Harry Connick Jr | 1987 | instrumental |
| "On the Atchison, Topeka and the Santa Fe" | Johnny Mercer, Harry Warren | 25 | 1992 | feat. Ray Brown on bass |
| "On The Street Where You Live" | Alan Jay Lerner, Frederick Loewe | 25 | 1992 | |
| "Once" | Harry Connick Jr. | To See You | 1997 | |
| "Once A Year Day" | Richard Adler, Jerry Ross | Harry on Broadway, Act I | 2006 | duet with Kelli O'Hara |
| "One Last Pitch" | Harry Connick Jr., Joe Livingston | Lofty's Roach Souffle | 1990 | instrumental |
| "One Last Pitch (Take Two)" | Harry Connick Jr., Joe Livingston | Lofty's Roach Souffle | 1990 | instrumental |
| "Only 'Cause I Don't Have You" | Harry Connick Jr., Ramsey McLean | We Are in Love | 1990 | |
| "Only You" | Buck Ram, Ande Rand | Only You | 2004 | |
| "Oompa Loompa" | Leslie Bricusse, Anthony Newley | Songs I Heard | 2001 | |
| "The Other Hours" | Harry Connick Jr. | Other Hours : Connick on Piano, Volume 1 | 2003 | instrumental |
| "Other Hours" (2) | Harry Connick Jr. | Only You | 2004 | |
| "Over The Rainbow" | Harold Arlen, E.Y. "Yip" Harburg | Songs I Heard | 2001 | |
| "Panama" | William H. Tyers | Chanson du Vieux Carré : Connick on Piano, Volume 3 | 2007 | instrumental |
| "Parade of the Wooden Soldiers" | Ballard Macdonald, Leon Jessel | When My Heart Finds Christmas | 1993 | |
| "Parle Plus Bas" | Boris Bergman, Nino Rota | Come by Me bonus track | 1999 | Lyrics in French |
| "Petite Fleur" | Sidney Bechet | Dixieland Plus | 1977 | instrumental |
| "Petite Fleur" (2) | Sidney Bechet | Chanson du Vieux Carré : Connick on Piano, Volume 3 | 2007 | instrumental |
| "Please Come Home for Christmas" | Charles Brown, Gene Redd | What a Night! A Christmas Album | 2008 | |
| "Please Don't Talk About Me When I'm Gone" | Sidney Clare, Sam H. Stept | 20 | 1988 | duet with Carmen McRae |
| "Promise Me You'll Remember (Love Theme From The Godfather Part III)" | Coppola, John Bettis | The Godfather Part III soundtrack | 1990 | |
| "Pure Imagination"/"Candy Man" | Leslie Bricusse, Anthony Newley | Songs I Heard | 2001 | |
| "Reason to Believe" | Harry Connick Jr. | Star Turtle | 1996 | |
| "Recipe for Love" | Harry Connick Jr. | We Are in Love | 1990 | |
| "Remember The Tarpon" | Harry Connick Jr. | Occasion : Connick on Piano, Volume 2 | 2005 | instrumental |
| "Rocky Mountain Moon" | Johnny Mercer | Harry Connick Sr. album: New Orleans... My Home Town | 1998 | duet with Harry Connick Sr. |
| "Rudolph the Red-Nosed Reindeer" | Johnny Marks | When My Heart Finds Christmas | 1993 | |
| "S'wonderful" | George Gershwin, Ira Gershwin | 20 | 1988 | instrumental |
| "Santa Claus Is Coming to Town" | J. Fred Coots, Haven Gillespie | Harry for the Holidays | 2003 | |
| "Santariffic" | Harry Connick Jr. | What a Night! A Christmas Album | 2008 | feat. Lucien Barbarin on trombone |
| "Save the Last Dance for Me" | Doc Pomus, Mort Shuman | Only You | 2004 | |
| "She" | Harry Connick Jr., Ramsey McLean | She | 1994 | |
| "She Belongs To Me" | Harry Connick Jr. | Blue Light, Red Light | 1991 | |
| "Sheik Of Araby" | Harry B. Smith, Francis Wheeler, Ted Snyder | Oh, My NOLA | 2007 | |
| "Silent Night" | Franz Gruber, Josef Mohr | Harry for the Holidays | 2003 | |
| "Silver Bells" | Ray Evans, Jay Livingston | Harry for the Holidays | 2003 | |
| "Silver Bells" (2) | Jay Livingston, Ray Evans | Various Artists album: And So This Is Christmas | 1999 | |
| "Sleigh Ride" | Leroy Anderson, Mitchell Parish | When My Heart Finds Christmas | 1993 | |
| "Small Talk" | Richard Adler, Jerry Ross | Harry on Broadway, Act I | 2006 | duet with Kelli O'Hara |
| "Smile" | Charlie Chaplin, John Turner, Geoffrey Parsons | Your Songs | 2009 | |
| "Some Enchanted Evening" | Oscar Hammerstein II, Richard Rodgers | Your Songs | 2009 | |
| "Someday" | Dave Bartholomew, Pearl King | Oh, My NOLA | 2007 | |
| "Someday You'll Be Sorry" | Louis Armstrong | Chanson du Vieux Carré : Connick on Piano, Volume 3 | 2007 | instrumental |
| "Something Was Missing" | Martin Charnin, Charles Strouse | Songs I Heard | 2001 | |
| "Something You Got" | Chris Kenner | Oh, My NOLA | 2007 | |
| "Somewhere My Love" | Maurice Jarre | 30 | 2001 | instrumental |
| "Song for the Hopeful" | Harry Connick Jr. | What a Night! A Christmas Album | 2008 | duet with Kim Burrell |
| "Sonny Cried" | Harry Connick Jr., Ramsey McLean | Blue Light, Red Light | 1991 | |
| "Sovereign Lover" | Harry Connick Jr. | Other Hours : Connick on Piano, Volume 1 | 2003 | instrumental |
| "Speak Softly Love" | Nino Rota | 30 | 2001 | instrumental |
| "A Spoonful of Sugar" | Richard M. Sherman | Songs I Heard | 2001 | |
| "Spot" | Harry Connick Jr. | Occasion : Connick on Piano, Volume 2 | 2005 | instrumental |
| "St. James Infirmary" | traditional | Dixieland Plus | 1977 | |
| "St. Louis Blues" | W. C. Handy | Dixieland Plus | 1977 | instrumental |
| "Star Turtle" | Harry Connick Jr. | Star Turtle | 1996 | instrumental |
| "Star Turtle 2" | Harry Connick Jr. | Star Turtle | 1996 | instrumental |
| "Star Turtle 3" | Harry Connick Jr. | Star Turtle | 1996 | instrumental |
| "Star Turtle 4" | Harry Connick Jr. | Star Turtle | 1996 | instrumental |
| "Stardust" | Hoagy Carmichael, Mitchell Parish | 25 | 1992 | feat. Ellis Marsalis on piano |
| "Stars Fell on Alabama" | M. Parish, F. Perkins | 20 | 1988 | instrumental |
| "Stay Awake" | Richard M. Sherman, Robert B. Sherman | Songs I Heard | 2001 | |
| "Steam Heat" | Richard Adler, Jerry Ross | Harry on Broadway, Act I bonus track | 2006 | duet with Kelli O'Hara |
| "Steve Lacy" | Branford Marsalis | Occasion : Connick on Piano, Volume 2 | 2005 | instrumental |
| "Stompin' at the Savoy" | Benny Goodman, Chick Webb, Edgar Sampson, Andy Razaf | When Harry Met Sally... | 1989 | instrumental |
| "Such Love" | Harry Connick Jr. | Other Hours : Connick on Piano, Volume 1 | 2003 | instrumental |
| "Such Love" | Harry Connick Jr. | Harry on Broadway, Act I | 2006 | |
| "Sunny Side Of The Street" | Dorothy Fields, Jimmy McHugh | Harry Connick Jr | 1987 | instrumental |
| "Supercalifragilisticexpialidocious" | Richard M. Sherman | Songs I Heard | 2001 | |
| "Sweet Georgia Brown" | Maceo Pinkard, Kenneth Casey, Ben Bernie | Eleven | 1979 | instrumental |
| "Take Advantage" | Harry Connick Jr. | Other Hours : Connick on Piano, Volume 1 | 2003 | instrumental |
| "Take Advantage" (2) | Harry Connick Jr. | Harry on Broadway, Act I | 2006 | |
| "Take Her To The Mardi Gras" | Harry Connick Jr. | Harry on Broadway, Act I | 2006 | |
| "Take Her To The Mardi Gras" (2) | Harry Connick Jr. | Oh, My NOLA bonus track | 2007 | |
| "Tangerine" | Johnny Mercer, Victor Schertzinger | 25 | 1992 | |
| "That Party" | Harry Connick Jr., Ramsey McLean | She | 1994 | |
| "That's a Plenty" | Lew Pollack | Chanson du Vieux Carré : Connick on Piano, Volume 3 | 2007 | instrumental |
| "There Is Always One More Time" | Ken Hirsch, Doc Pomus | 30 | 2001 | |
| "There Once Was A Man" | Richard Adler, Jerry Ross | Harry on Broadway, Act I | 2006 | duet with Kelli O'Hara |
| "There Once Was A Man" (2) | Richard Adler, Jerry Ross | Harry on Broadway, Act I | 2006 | duet with Kelli O'Hara |
| "There Once Was a Man" (3) | Richard Adler, Jerry Ross | Harry on Broadway, Act I bonus track | 2006 | duet with Kelli O'Hara |
| "There's No Business Like Show Business" | Irving Berlin | Come by Me | 1999 | |
| "(They Long to Be) Close to You" | Burt Bacharach, Hal David | Your Songs | 2009 | |
| "This Christmas" | Donny Hathaway | Harry for the Holidays | 2003 | |
| "This Christmas" (2) | Donny Hathaway | Various Artists album: A Jazzy Wonderland | 1990 | |
| "This Guy's in Love with You" | Burt Bacharach, Hal David | One Fine Day soundtrack | 1996 | |
| "This Time the Dream's on Me" | Harold Arlen, Johnny Mercer | 25 | 1992 | |
| "Tico Tico" | Zequinha de Abreu | Chanson du Vieux Carré : Connick on Piano, Volume 3 bonus track | 2007 | instrumental |
| "Tie a Yellow Ribbon 'Round the Ole Oak Tree" | Irwin Levine, L. Russell Brown | 30 | 2001 | instrumental |
| "Time After Time" | Sammy Cahn, Jule Styne | Come by Me | 1999 | |
| "Tin Roof Blues" | Walter Melrose, Leon Rappolo, Paul Mares, Ben Pollock, George Brunies, Mel Stitzel | Eleven | 1979 | instrumental |
| "To Love the Language" | Harry Connick Jr., Ramsey McLean | She | 1994 | |
| "To See You" | Harry Connick Jr. | To See You | 1997 | |
| "Trouble" | Harry Connick Jr., Ramsey McLean | She | 1994 | |
| "Try a Little Tenderness" | James Campbell, Reginald Connelly, Harry M. Woods | Only You bonus track | 2004 | |
| "Valentine's Day" | Harry Connick Jr. | Occasion : Connick on Piano, Volume 2 | 2005 | instrumental |
| "The Very Thought of You" | Ray Noble | Only You | 2004 | |
| "Virgoid" | Harry Connick Jr. | Occasion : Connick on Piano, Volume 2 | 2005 | instrumental |
| "Vocation" | Harry Connick Jr. | Harry Connick Jr | 1987 | instrumental |
| "Voodoo Mama" | Harry Connick Jr. | "Voodoo Mama" / "Hear Me In The Harmony" | 1996 | |
| "Way Down Yonder in New Orleans" | Henry Creamer, Turner Layton | Eleven | 1979 | instrumental |
| "Way Down Yonder in New Orleans" (2) | Henry Creamer, Turner Layton | 30 | 2001 | |
| "The Way You Look Tonight" | Jerome Kern, Dorothy Fields | Your Songs | 2009 | |
| "We Are in Love" | Harry Connick Jr. | We Are in Love | 1990 | |
| "We Make A Lot Of Love" | Harry Connick Jr. | Oh, My NOLA | 2007 | |
| "We Three Kings" | Reverend John Henry Hopkins Jr. | What a Night! A Christmas Album | 2008 | |
| "What A Night!" | Harry Connick Jr. | What a Night! A Christmas Album | 2008 | |
| "What a Waste" | Harry Connick Jr. | Other Hours : Connick on Piano, Volume 1 | 2003 | instrumental |
| "What Are You Doing New Year's Eve?" | Frank Loesser | When My Heart Finds Christmas | 1993 | |
| "What Child Is This?" | William Dix, 16th Century English melody | When My Heart Finds Christmas | 1993 | |
| "When I Get My Name In Lights" | Peter Allen | Peter Allen album: Making Every Moment Count | 1990 | duet with Peter Allen |
| "When My Heart Finds Christmas" | Harry Connick Jr. | When My Heart Finds Christmas | 1993 | |
| "When The Saints Go Marching In" | James Milton Black, Katharine Purvis | Dixieland Plus | 1977 | |
| "Where or When" | Lorenz Hart, Richard Rodgers | When Harry Met Sally... | 1989 | |
| "Who Can I Turn To (When Nobody Needs Me)" | Leslie Bricusse, Anthony Newley | Your Songs | 2009 | |
| "Win" | Harry Connick Jr. | Occasion : Connick on Piano, Volume 2 | 2005 | instrumental |
| "A Wink And A Smile" | Ramsey McLean, Marc Shaiman | Sleepless in Seattle soundtrack | 1993 | |
| "Winter Wonderland" | Felix Bernard, Richard B. Smith | When Harry Met Sally... | 1989 | instrumental |
| "Winter Wonderland" (2) | Felix Bernard, Richard B. Smith | What a Night! A Christmas Album | 2008 | duet with Sarah Kate Connick |
| "With Imagination, I'll Get There" | Harry Connick Jr., Ramsey McLean | Blue Light, Red Light | 1991 | |
| "Wonder in the World" | Harry Connick Jr. | Kelli O'Hara album: Wonder in the World | 2008 | duet with Kelli O'Hara |
| "Wolverine Blues" | Jelly Roll Morton, Benjamin Spikes, John Spikes | Eleven | 1979 | instrumental |
| "Won't You Come Home, Bill Bailey?" | Hughie Cannon | Oh, My NOLA | 2007 | |
| "The World Around Us" | Richard Adler, Jerry Ross | Harry on Broadway, Act I | 2006 | |
| "Working In The Coal Mine" | Allen Toussaint | Oh, My NOLA | 2007 | |
| "Yes Sir, That's My Baby" | Walter Donaldson, Gus Kahn | Dixieland Plus | 1977 | instrumental |
| "Yes We Can Can" | Allen Toussaint | Oh, My NOLA | 2007 | |
| "You Didn't Know Me When" | Harry Connick Jr., Ramsey McLean | Blue Light, Red Light | 1991 | |
| "You Don't Know Me" | Cindy Walker, Eddy Arnold | Only You | 2004 | |
| "You Go to My Head" | J. Fred Coots, Haven Gillespie | Various Artists album: Jubilation | 1989 | |
| "You'd Be So Easy to Love" | Cole Porter | Come by Me | 1999 | |
| "You're Never Fully Dressed Without a Smile" | Martin Charnin, Charles Strouse | Songs I Heard | 2001 | |
| "You've Got to Be Carefully Taught" | Richard Rodgers, Oscar Hammerstein II | South Pacific soundtrack | 2001 | |
| "Younger Than Springtime" | Richard Rodgers, Oscar Hammerstein II | South Pacific soundtrack | 2001 | |
| "Your Own Private Love" | Harry Connick Jr. | Other Hours : Connick on Piano, Volume 1 | 2003 | instrumental |
| "Your Song" | Elton John, Bernie Taupin | Your Songs | 2009 | |
| "Zat You Santa Claus" | Jack Fox | What a Night! A Christmas Album | 2008 | |
| "Zealousy" | Harry Connick Jr. | Harry Connick Jr | 1987 | instrumental |