| Year | Title | Role | Notes |
|---|
| 1976 | All in the Family | Al Bender | Episode: "New Year's Wedding" |
| The Dean Martin Celebrity Roast | Himself | Episode: "Muhammad Ali Roast" |
| 1977 | The Midnight Special | Himself | Television special |
| SST: Death Flight | David | Television film |
| 1977–1981 | Soap | Jodie Dallas | 73 episodes |
| 1978 | The Love Boat | Newton Weames | Episode: "Mike & Ike; The Witness; Kissing Bandit" |
| 1979 | Breaking Up Is Hard to Do | Danny Doyle | Television film |
| 1980 | Enola Gay: The Men, the Mission, the Atomic Bomb | Lt. Jacob "Jake" Beser |
| Animalympics | Rugs Turkell / Joey Gongolong / Art Antica | Voices; television film |
| 1981 | Darkroom | Paddy | Episode: "Make-Up" |
| 1982 | The Billy Crystal Comedy Hour | Himself (host) | 5 episodes; also writer |
| 1984 | Billy Crystal: A Comic's Line | Himself | Television special |
| Saturday Night Live | Himself (host) | 2 episodes |
| 1984–1985 | Saturday Night Live | Various | 18 episodes; also writer |
| 1985 | Simon & Simon | Ben Crane | Episode: "Quint Is Out" |
| Faerie Tale Theatre | Larry Pig | Episode: "The Three Little Pigs" |
| 1986–1988 | Sesame Street | Ricky | 2 episodes |
| 1986 | Comic Relief | Himself (host) | Benefit show |
| Billy Crystal: Don't Get Me Started | Himself | Stand-up special |
| 1987 | Billy Crystal: Don't Get Me Started – The Lost Minutes | Short |
| Comic Relief '87 | Himself (host) | Benefit show |
| 29th Annual Grammy Awards | Television special |
| 1988 | 30th Annual Grammy Awards |
| 1989 | 31st Annual Grammy Awards |
| Comic Relief III | Benefit show |
| Billy Crystal: Midnight Train to Moscow | Himself | Stand-up special |
| 1990 | 62nd Academy Awards | Himself (host) | Television special |
| 1991 | 63rd Academy Awards |
| Comic Relief IV | Benefit show |
| 1992 | 64th Academy Awards | Television special |
| Comic Relief V | Benefit show |
| The Larry Sanders Show | Himself | Episode: "Talk Show" |
| 1993 | 65th Academy Awards | Himself (host) | Television special |
| 1994 | The Critic | Gary Grossman | Voice; Episode: "L.A. Jay" |
| In Search of Dr. Seuss | The Voice of America | Voice; television film |
| Comic Relief VI | Himself (host) | Benefit show |
| 1995 | Comic Relief VII |
| Frasier | Jack | Voice; Episode: "Leapin' Lizards" |
| 1996 | Muppets Tonight | Himself | Episode: "Billy Crystal" |
| 1997 | Friends | Tim | Episode: "The One with the Ultimate Fighting Champion" |
| 69th Academy Awards | Himself (host) | Television special |
| 1998 | 70th Academy Awards |
| Comic Relief VIII | Benefit show |
| 2000 | 72nd Academy Awards | Television special |
| 2001 | 61* | None | Television film; director and executive producer |
| 2002 | The Bernie Mac Show | Himself | Episode: "Secrets and Lies" |
| Liberty's Kids | John Adams | Voice; 6 episodes |
| 2004 | 76th Academy Awards | Himself (host) | Television special |
| 2006 | Comic Relief 2006 | Benefit show |
| 2011 | 83rd Academy Awards | Himself (presenter) | Tribute to Bob Hope |
| 2012 | 84th Academy Awards | Himself (host) | Television special |
| 2013–2014 | Web Therapy | Garreth Pink | 3 episodes |
| 2014 | 700 Sundays | Himself | Television special, HBO |
| 2015 | The Comedians | Billy Crystal | 13 episodes; also writer and executive producer |
| 2017 | Modern Family | Himself | Episode: "Brushes with Celebrity" |
| 2021–present | Monsters at Work | Mike Wazowski | Voice; 20 episodes [5] |
| 2021 | Never Have I Ever | Himself | Episode: "...been a perfect girl" |
| 2023 | Jimmy Kimmel Live! | Double Admiral Crystal | Episode: "Cate Blanchett/Patrick Mahomes/Dave Franco" |
| 2024 | Before | Eli | Miniseries; also executive producer |
| 2025 | 97th Academy Awards | Himself (presenter) | Presented Best Picture with Meg Ryan |
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