Alyson Hannigan
- Compleanno:
- 03/24/1974
- Luogo di nascita:
- Washington, District of Columbia, USA:
 | Solo Mio (2026) |
 | Office Race (2023) Pat |
 | Flora & Ulysses (2021) Phyllis |
 | Abducted: The Mary Stauffer Story (2019) Mary Stauffer |
 | You Might Be the Killer (2019) Chuck |
 | Kim Possible (2019) Dr. Ann Possible |
 | Do You Take This Man (2017) Rachael |
 | American Reunion (2012) Michelle Flaherty-Levenstein |
 | More Business of Being Born (2011) Self [Part 2,3] |
 | Love, Wedding, Marriage (2011) Courtney |
 | Farce of the Penguins (2006) Hottie Penguin (voice) |
 | Date Movie (2006) Julia Jones |
 | American Pie: Revealed (2004) Self |
 | American Wedding (2003) Michelle Flaherty |
 | Beyond the City Limits (2001) Lexi |
 | American Pie 2 (2001) Michelle Flaherty |
| | Playboy Mansion Parties Uncensored (2001) Self |
 | Boys and Girls (2000) Betty |
 | Hayley Wagner, Star (1999) Jenna Jakes |
 | American Pie (1999) Michelle Flaherty |
 | Dead Man on Campus (1998) Lucy |
 | For My Daughter's Honor (1996) Kelly |
| | A Case for Life (1996) Iris |
 | The Stranger Beside Me (1995) Dana |
 | Switched at Birth (1991) Gina Twigg, Age 13-16 |
| | Switched at Birth (1991) Gina Twigg, Age 13–16 |
 | My Stepmother Is an Alien (1988) Jessie Mills |
 | Impure Thoughts (1986) Patty Stubbs (as Allison Hannigan) |
| | Dodie & Cheryl Get Hitched Cheryl Crum |