| Year | Awards | Work | Category | Result |
| 2003 | NAACP Image Awards | Herself | NAACP Image Award for Outstanding New Artist | Nominated |
| BET Awards | Best Female R&B Artist | Nominated |
| Billboard Music Awards | Best New R&B/Hip Hop Artist | Nominated |
| Best Female R&B Hip Hop Artist | Nominated |
| Soul Train Music Awards | Best R&B/Soul or Rap New Artist | Won |
| All I Have | Best R&B/Soul Album – Female | Nominated |
| "Why Don't We Fall in Love" | Best R&B Soul Single – Female | Nominated |
| 2004 | Black Reel Awards | "Paradise" (LL Cool J feat. Amerie) | Black Reel Award for Best Original or Adapted Song | Nominated |
| 2005 | MTV Video Music Awards | "1 Thing" | Best Female Video | Nominated |
| Best Choreography | Nominated |
| Billboard Music Awards | Top Soundtrack Single | Nominated |
| Teen Choice Awards | Herself | Choice Female Breakout Artist | Nominated |
| "1 Thing" | Choice R&B/Hip-Hop Track | Nominated |
| BET Awards | Video of the Year | Nominated |
| Herself | Best Female R&B Artist | Nominated |
| Soul Train Lady of Soul Awards | Aretha Franklin Award for Entertainer of the Year | Won |
| Music Television Awards | Best New Act | Nominated |
| MOBO Awards | " 1 Thing" | Best Single | Nominated |
| Vibe Awards | Club Banger of the Year | Won |
| 2006 | Grammy Awards | Touch | Best Contemporary R&B Album | Nominated |
| "1 Thing" | Best R&B Female Vocal Performance | Nominated |
| People's Choice Awards | Favorite Song From a Movie | Nominated |
| MTV Video Music Awards Japan | Best Video from a Film | Nominated |
| 2007 | MOBO Awards | "Take Control" | Best Song | Nominated |
| Virgin Media Music Awards | Herself | Most Fanciable Female | Nominated |
| 2009 | Rober Awards Music Poll | Best R&B/Soul | Nominated |