Domestic Box Office For March 2009
Wide releases are those released in at least 600 theaters.
| Rank | Release | Gross | Max Th | Opening | % of Total | Open Th | Open | Close | Distributor |
|---|---|---|---|---|---|---|---|---|---|
| 1 | Monsters vs. Aliens | $198,351,526 | 4,136 | $59,321,095 | 29.9% | 4,104 | Mar 27 | Aug 27 | DreamWorks |
| 2 | Watchmen | $107,509,799 | 3,611 | $55,214,334 | 51.4% | 3,611 | Mar 6 | May 28 | Warner Bros. |
| 3 | Knowing | $79,957,634 | 3,337 | $24,604,751 | 30.8% | 3,332 | Mar 20 | Jul 9 | Summit Entertainment |
| 4 | I Love You, Man | $71,440,011 | 2,829 | $17,810,270 | 24.9% | 2,711 | Mar 20 | Jun 4 | DreamWorks |
| 5 | Race to Witch Mountain | $67,172,594 | 3,268 | $24,402,214 | 36.3% | 3,187 | Mar 13 | Jul 9 | Walt Disney Studios Motion Pictures |
| 6 | The Haunting in Connecticut | $55,389,516 | 2,732 | $23,004,765 | 41.5% | 2,732 | Mar 27 | May 14 | Lionsgate |
| 7 | Duplicity | $40,572,825 | 2,579 | $13,965,110 | 34.4% | 2,574 | Mar 20 | May 28 | Universal Pictures |
| 8 | The Last House on the Left | $32,752,215 | 2,402 | $14,118,685 | 43.1% | 2,401 | Mar 13 | May 14 | Universal Pictures |
| 9 | 12 Rounds | $12,234,694 | 2,331 | $5,329,240 | 43.6% | 2,331 | Mar 27 | Jun 11 | Twentieth Century Fox |
| 10 | Miss March | $4,543,320 | 1,742 | $2,409,156 | 53% | 1,742 | Mar 13 | Apr 30 | Fox Searchlight Pictures |
