| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2003 | W | Best Supporting Actress in a Television Series | Buffy the Vampire Slayer (1997) (TV) | - |
| 2002 | N | Best Supporting Actress in a Television Series | Buffy the Vampire Slayer (1997) (TV) | - |
| 2001 | N | Best Supporting Actress on Television | Buffy the Vampire Slayer (1997) (TV) | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2011 | N | Favorite TV Comedy Actress | - | - |
| 2010 | W | Favorite TV Comedy Actress | - | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2003 | N | Best Performance by an Actress in a Supporting Role in a Series, Drama | Buffy the Vampire Slayer (1997) (TV) | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2012 | N | Choice Movie Actress: Comedy | "American Reunion" | - |
| 2004 | N | Choice Movie Actress - Comedy | American Wedding (2003) | - |
| 2004 | N | Choice Movie Liplock | American Wedding (2003) | Jason Biggs |
| 2003 | N | Choice TV Sidekick | Buffy the Vampire Slayer (1997) (TV) | - |
| 2002 | W | TV - Choice Sidekick | Buffy the Vampire Slayer (1997) (TV) | - |
| 2001 | N | TV - Choice Sidekick | - | - |
| 2000 | N | TV - Choice Sidekick | Buffy the Vampire Slayer (1997) (TV) | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 2001 | N | Supporting Actress of the Year in a Drama Series | Buffy the Vampire Slayer (1997) (TV) | - |
| Year | * | Category | Works | Shared |
|---|---|---|---|---|
| 1990 | N | Best Young Actress Starring in a Television Series | Free Spirit (1989) (TV) | - |
| 1989 | N | Best Young Actress in a Motion Picture Comedy or Fantasy | My Stepmother Is an Alien (1988) | - |