March 7
- 10,000 B.C.
- The Bank Job
- CJ7 (limited)
- College Road Trip
- Everyone Wants to be Italian (limited)
- Fighting For Life (limited)
- Girls Rock! (limited)
- Married Life (NY, LA)
- Miss Pettigrew Lives for a Day (limited)
- Paranoid Park (limited)
- Snow Angels (NY, LA; top 10: Mar. 14; expands: Mar. 21)

March 12
- Blind Mountain (NY)

March 14
- Doomsday
- Dr. Seuss' Horton Hears a Who
- Flash Point (NY, LA, SF)
- Funny Games (limited)
- Never Back Down
- On Broadway (Boston)
- Sleepwalking (limited)
- War Made Easy: How Presidents & Pundits Keep Spinning Us to Death (NY)
- Wetlands Preserved: The Story of an Activist Nightclub (NY; LA release: Mar. 28)

March 19
- Under the Same Moon (limited)

March 21
- Boarding Gate (limited)
- Drillbit Taylor
- The Grand (limited)
- The Hammer (limited)
- Love Songs (NY)
- Planet B-Boy (limited)
- Shutter
- Tyler Perry's Meet the Browns

March 28
- 21
- Backseat (limited)
- Flawless (limited)
- Irina Palm (NY, LA)
- My Brother is an Only Child (limited)
- My Mom's New Boyfriend
- Priceless (limited)
- Reprise (limited)
- Run, Fat Boy, Run
- Stop-Loss
- Superhero Movie