List of American films of 2009
This is a list of American films released in 2009.
Box office
The highest-grossing American films released in 2009, by domestic box office gross revenue, are as follows:| Rank | Title | Distributor | Domestic gross |
| 1 | Avatar | 20th Century Fox | $749,766,139 |
| 2 | Transformers: Revenge of the Fallen | Paramount Pictures | $402,111,870 |
| 3 | Harry Potter and the Half-Blood Prince | Warner Bros. Pictures | $301,959,197 |
| 4 | The Twilight Saga: New Moon | Summit Entertainment | $296,623,634 |
| 5 | Up | Disney | $293,004,164 |
| 6 | The Hangover | Warner Bros. Pictures | $277,322,503 |
| 7 | Star Trek | Paramount Pictures | $257,730,019 |
| 8 | The Blind Side | Warner Bros. Pictures | $255,959,475 |
| 9 | Alvin and the Chipmunks: The Squeakquel | 20th Century Fox | $219,614,612 |
| 10 | Sherlock Holmes | Warner Bros. Pictures | $209,028,679 |