Hollywood Critics Awards
2023 – Best Supporting Actor in a Cable Drama Series – Yellowjackets

Golden Joystick Awards
2021 – Best Performance – Gristol/Nick the Post Guy –
Psychonauts 2

Fright Meter Awards
2020 – Best Actor in a Leading Role – Come To Daddy

BTVA Voice Acting Awards
2015 – Best Male Lead Vocal Performance – Television Series Comedy/Musical – Wirt – Over the Garden Wall
2015 – Best Vocal Ensemble in a New Television Series – Over the Garden Wall
2014 – Best Male Lead Vocal Performance – Video Game – Shay -Broken Age

MTV Video Music Awards
2013 – Best Visual Effects – Flying Lotus – Tiny Tortures

Audie Awards
2012 – Recorded reading in the Classic category of audio book The Adventures of Huckleberry Finn

Online Film & Television Awards
2012 – Best Actor in a Comedy Series – Wilfred
2007 – Best Voice-Over Performance – Happy Feet

Satellite Awards
2011 – Actor in a Comedy/Musical Series – Wilfred

MTV Video Music Awards
2011 – Video of the Year – Make Some Noise (Fight For Your Right Revisited)

Daytime Emmy Awards
2006 – Best Performance in Children’s Television Special – Saving A Species: The Great Penguin Rescue

Moviefone Movie Awards: AOL
2006 – Vilest Villain – Kevin – Sin City

MTV-TRL Awards
2005 – Best Guest Host

Phoenix Film Critics Society Awards
2004 – Best Acting Ensemble – LOTR: The Return Of The King

GPhoria Awards
2004 – Best Voice Performance Male – LOTR: The Return Of The King: Home video game

Awards Circuit Community Awards
2004 – Best Cast Ensemble – Eternal Sunshine of the Spotless Mind
2002 – Best Cast Ensemble – LOTR: The Two Towers

Utah Film Critics Association Awards
2003 – Best Actor – LOTR: The Return of the King

Screen Actors Guild Awards
2006 – Outstanding Performance Cast in Theatrical Motion Picture – Bobby
2003 – Outstanding Performance Cast in Theatrical Motion Picture – LOTR: The Two Towers
2002 – Outstanding Performance Cast in Theatrical Motion Picture – LOTR: The Fellowship Of The Ring

DVDX Awards
2003 – Best Audio Commentary DVD – LOTR: The Two Towers

SFX Awards (UK)
2003 – Best SciFi or Fantasy Film Actor – LOTR: The Two Towers

Saturn Awards
2003 – Best Performance by Young Actor – LOTR: The Two Towers
1995 – Best Performance by Young Actor – North

DVD Premiere Awards
2003 – Best Animated Character Performance – The Adventures of Tom Thumb & Thumbelina
2003 – Best Audio Commentary – LOTR: The Fellowship Of The Ring

MTV Movie Awards
2002 – Best Male Performance – LOTR: The Fellowship Of The Ring

The One Ring.net Awards
2002 – Best Performance in LOTR: The Fellowship Of The Ring

Washington DC Area Film Critics Association Awards
2005 – Best Ensemble Cast – Sin City

Broadcast Film Critics Association Awards
2007 – Best Acting Ensemble – Bobby
2006 – Best Acting Ensemble – Sin City

In Style Magazine Awards
2004 – Hottest Butt Kicker

Teen Choice Awards
2005 – Choice Movie Bad Guy – Kevin – Sin City
2004 – Best Actor – Drama/Action/Adventure – LOTR: The Return Of The King
2003 – Choice Movie Actor – Drama – LOTR: The Two Towers
2002 – Choice Movie Actor – Drama – LOTR: The Fellowship Of The Ring

Kid Choice Awards
2003 – Favorite Male Butt Kicker – LOTR: The Two Towers
2002 – Favorite Male Action Hero – LOTR: The Fellowship Of The Ring

Blockbuster Entertainment Awards
1999 – Favorite Actor/Horror – The Faculty
1999 – Favorite Supporting Actor/Sci-Fi – Deep Impact

Young Artist Awards
1998 – Best Performance Feature Film – The Ice Storm
1997 – Best Performance Young Actor/Comedy – Flipper
1997 – Best Performance Television Drama Series – Homicide: Life On The Streets
1995 – Best Young Actor Motion Picture – North
1992 – Best Young Actor Motion Picture – Paradise
1991 – Best Young Actor Motion Picture – Avalon
1991 – Best Young Actor Television Movie – Child In The Night

Young Star Awards
1995 – Best Performance/Drama – The War

Chicago Film Critics Association Awards
1992 – Most Promising Actor – Paradise