| Title | Year | Album | Songwriter(s) |
|---|
| 2,000 Years from Now | 2010 | Stranger Comes to Town | Robbie Gladwell, Steve Harley |
| 49th Parallel | 1975 | The Best Years of Our Lives | Harley |
| A Friend for Life | 2001 | The Quality of Mercy | Harley, Jim Cregan |
| Absolute Beginners | 2020 | Uncovered | David Bowie |
| Ae Fond Kiss | 2020 | Uncovered | Robert Burns/Traditional |
| The Alibi | 1992 | Yes You Can | Harley, Cregan, Duncan Mackay, Stuart Elliott |
| All in a Life's Work | 1996 | Poetic Justice | Harley |
| All Men Are Hungry | 1976 | Timeless Flight | Harley |
| Amerika the Brave | 1978 | Hobo with a Grin | Harley |
| Another Journey | 1975 | B-side of "Make Me Smile (Come Up and See Me)" | Harley |
| Audience with the Man | 1979 | The Candidate | Harley |
| Back to the Farm | 1975 | The Best Years of Our Lives | Harley |
| Ballerina (Prima Donna) | 1983 | Non-album single | Mike Batt |
| Bed in the Corner | 1974 | The Psychomodo | Harley |
| Before They Crash the Universe | 2010 | Stranger Comes to Town | Harley |
| The Best Years of Our Lives | 1975 | The Best Years of Our Lives | Harley |
| Big Big Deal | 1974 | Non-album single | Harley |
| Black or White | 1976 | Timeless Flight | Harley |
| Blinded with Tears | 2010 | Stranger Comes to Town | Cregan, Harley |
| Carry Me Again | 1976 | Love's a Prima Donna | Harley |
| Cavaliers | 1974 | The Psychomodo | Harley |
| Chameleon | 1973 | The Human Menagerie | Harley |
| The Coast of Amalfi | 2005 | The Quality of Mercy | Harley |
| Crazy Love | 1996 | Poetic Justice | Van Morrison |
| Crazy Raver | 1973 | The Human Menagerie | Harley |
| Dancing on the Telephone | 1992 | Yes You Can | Harley, Cregan, Elliott |
| Death Trip | 1973 | The Human Menagerie | Harley |
| Don't Go, Don't Cry | 1976 | Timeless Flight | Harley |
| Emma | 2020 | Uncovered | Errol Brown, Tony Wilson |
| Everything Changes | 1976 | Timeless Flight | Harley |
| Face to Face | 1983 | B-side of "Ballerina (Prima Donna)" | Harley |
| Faith & Virtue | 2010 | Stranger Comes to Town | Harley, Barry Wickens |
| Faith, Hope and Charity | 1978 | Hobo with a Grin | Harley |
| Finally a Card Came | 1976 | Love's a Prima Donna | Harley |
| Fire in the Night | 1992 | Yes You Can | Harley |
| For Sale. Baby Shoes. Never Worn | 2010 | Stranger Comes to Town | Harley |
| Freedom's Prisoner | 1979 | The Candidate | Harley, Jimmy Horowitz |
| From Here to Eternity | 1979 | The Candidate | Harley |
| G.I. Valentine | 1976 | Love's a Prima Donna | Harley |
| Heartbeat Like Thunder | 1986 | Non-album single | Harley, Mackay |
| Here Comes the Sun | 1976 | Love's a Prima Donna | George Harrison |
| Hideaway | 1973 | The Human Menagerie | Steve Harley |
| Hot Youth | 1978 | Hobo with a Grin | Harley, Mackay |
| How Can I Tell You | 2020 | Uncovered | Cat Stevens |
| How Good It Feels | 1979 | The Candidate | Harley |
| (I Believe) Love's a Prima Donna | 1976 | Love's a Prima Donna | Harley |
| I Can Be Anyone | 1982 | B-side of "I Can't Even Touch You" | Harley |
| I Can't Even Touch You | 1982 | Non-album single | Harley |
| (I Don't Believe) God is an Anarchist | 1978 | Hobo with a Grin | Harley |
| I Wish It Would Rain | 1978 | Hobo with a Grin | Roger Penzabene, Barrett Strong, Norman Whitfield |
| If This is Love (Give Me More) | 1976 | Love's a Prima Donna | Harley |
| Innocence and Guilt | 1976 | Love's a Prima Donna | Harley |
| Introducing The Best Years | 1975 | The Best Years of Our Lives | Harley |
| Irresistible | 1985 | Non-album single | Harley |
| Irresistible (remix) | 1986 | Yes You Can (1992) | Harley |
| Is It True What They Say? | 1976 | Love's a Prima Donna | Harley |
| It Wasn't Me | 1975 | The Best Years of Our Lives | Harley |
| I've Just Seen a Face | 2020 | Uncovered | Lennon–McCartney |
| Journey's End (A Father's Promise) | 2005 | The Quality of Mercy | Harley, Lincoln Anderson, Gladwell, James Lascelles, Wickens |
| Judy Teen | 1974 | Non-album single | Harley |
| The Last Feast | 2005 | The Quality of Mercy | Harley |
| The Last Goodbye | 2005 | The Quality of Mercy | Harley, Cregan |
| The Last Time I Saw You | 1996 | Poetic Justice | Harley |
| Lay Me Down | 1976 | B-side of "Here Comes the Sun" | Harley |
| The Lighthouse | 1992 | Yes You Can | Harley |
| Living in a Rhapsody | 1978 | Hobo with a Grin | Cregan, Harley, Mackay |
| Loretta's Tale | 1973 | The Human Menagerie | Harley |
| Lost Myself | 2020 | Uncovered | Crispin Hunt |
| (Love) Compared with You | 1976 | Love's a Prima Donna | Harley |
| Love Minus Zero-No Limit | 1996 | Poetic Justice | Bob Dylan |
| Love on the Rocks | 1979 | The Candidate | Harley |
| Loveless | 1996 | Poetic Justice | Harley |
| Lucky Man | 1986 | B-side of "Irresistible" | Harley |
| The Mad, Mad Moonlight | 1975 | The Best Years of Our Lives | Harley |
| Make Me Smile (Come Up and See Me) | 1975 | The Best Years of Our Lives | Harley |
| Mirror Freak | 1973 | The Human Menagerie | Harley |
| Mr. Raffles (Man, It Was Mean) | 1975 | The Best Years of Our Lives | Harley |
| Mr. Soft | 1974 | The Psychomodo | Harley |
| Muriel the Actor | 1973 | The Human Menagerie | Harley |
| My Only Vice | 1973 | The Human Menagerie | Harley |
| New-Fashioned Way | 1992 | Yes You Can | Harley, Mackay |
| No Bleeding Hearts | 2010 | Stranger Comes to Town | Harley |
| No Rain on This Parade | 2005 | The Quality of Mercy | Harley |
| Nothing is Sacred | 1976 | Timeless Flight | Harley |
| One More Time | 1979 | The Candidate | Harley |
| Only You | 2020 | Uncovered | Harley |
| Ordinary People | 2015 | Non-album single | Harley, Cregan, Robert Hart |
| Out of Time | 2020 | Uncovered | Jagger/Richards |
| Panorama | 1975 | The Best Years of Our Lives | Harley |
| The Phantom of the Opera (with Sarah Brightman) | 1986 | The Phantom of the Opera | Andrew Lloyd Webber, Richard Stilgoe, Charles Hart, Batt |
| Promises | 1992 | Yes You Can | Harley |
| Psychomodo | 1974 | The Psychomodo | Harley |
| Rain in Venice | 1992 | Yes You Can | Harley, Robin Le Mesurier |
| Red is a Mean, Mean Colour | 1976 | Timeless Flight | Harley |
| Riding the Waves (For Virginia Woolf) | 1978 | Hobo with a Grin | Harley |
| Ritz | 1974 | The Psychomodo | Harley |
| Rock and Roll Parade | 1974 | B-side of "Sebastian" | Harley |
| Roll the Dice | 1978 | Hobo with a Grin | Harley, Jo Partridge |
| Safe | 1996 | Poetic Justice | Harley |
| Saturday Night at the Fair | 2005 | The Quality of Mercy | Harley |
| Save Me (From Myself) | 2005 | The Quality of Mercy | Harley |
| Sebastian | 1973 | The Human Menagerie | Harley |
| Seeking a Love | 1976 | Love's a Prima Donna | Harley |
| Seeking a Love, Pt. 2 | 1976 | Love's a Prima Donna | Harley |
| Sidetrack 1 | 1976 | B-side of "(I Believe) Love's a Prima Donna" | Harley |
| Sidetrack II | 1976 | Love's a Prima Donna | Harley |
| Singular Band | 1974 | The Psychomodo | Harley |
| Sling It! | 1974 | The Psychomodo | Harley |
| Someone's Coming | 1978 | Hobo with a Grin | Harley, Partridge |
| Sophistication | 1986 | Anytime! (A Live Set) (2004) | Harley |
| Spaced Out | 1974 | B-side of "Judy Teen" | Harley |
| Star for a Week (Dino) | 1992 | Yes You Can | Harley |
| Star of Belle Isle (with Eddi Reader) | 2020 | Uncovered | Traditional |
| Strange Communications | 1996 | Poetic Justice | Harley |
| Stranger Comes to Town | 2010 | Stranger Comes to Town | Harley |
| Such a Dream | 1974 | B-side of "Psychomodo" and "Mr. Soft" | Harley |
| Such is Life | 1985 | B-side of "Irresistible" | Harley |
| Sweet Dreams | 1974 | The Psychomodo | Harley |
| Take the Men & the Horses Away | 2010 | Stranger Comes to Town | Anderson, Elliot, Harley, Lascelles, Wickens |
| That's My Life in Your Hands | 1996 | Poetic Justice | Harley, Hugh Nicholson |
| Theme from "Babbacombe Lee" | 1989 | B-side of "When I'm with You" | Harley |
| This Old Man | 2010 | Stranger Comes to Town | Harley |
| Throw Your Soul Down Here | 1976 | B-side of "White, White Dove" | Harley |
| Too Much Tenderness | 1976 | Love's a Prima Donna | Harley |
| True Love Will Find You in the End | 2010 | Stranger Comes to Town | Daniel Johnston |
| Tumbling Down | 1974 | The Psychomodo | Harley |
| Two Damn'd Lies | 1996 | Poetic Justice | Harley |
| Understand | 1976 | Timeless Flight | Harley |
| Victim of Love | 1992 | Yes You Can | Harley, Ian Nice, Kevin Powell, Wickens, Rick Driscoll |
| The Waggon | 1992 | B-side of "Irresistible" | Harley |
| Waiting | 1978 | B-side of "Roll the Dice" | Harley |
| Warm My Cold Heart | 1986 | B-side of "Heartbeat Like Thunder" | Harley |
| What Becomes of the Brokenhearted? | 1996 | Poetic Justice | James Dean, Paul Riser, William Weatherspoon |
| What Ruthy Said | 1973 | The Human Menagerie | Harley |
| When I Paint My Masterpiece | 2020 | Uncovered | Bob Dylan |
| When I'm with You | 1989 | Non-album single | Harley, Cregan, Elliott |
| When the Halo Slips | 2005 | The Quality of Mercy | Harley, Cregan |
| White, White Dove | 1976 | Timeless Flight | Harley |
| Who's Afraid? | 1979 | The Candidate | Harley |
| Woodchopper | 1979 | The Candidate | Harley |
| Young Hearts (The Candidate) | 1979 | The Candidate | Harley |