The 2003–2004 Obie Awards, honoring distinguished achievement in Off-Broadway and Off-Off-Broadway productions, were presented on May 17, 2004, at New York's Webster Hall.
| Direction: | Lee Breuer, Mabou Mines dollHouse; |
| Moisés Kaufman, I Am My Own Wife |
| Performance: | Viola Davis, Intimate Apparel; |
| Lisa Emery, Iron; |
| Jayne Houdyshell, Well; |
| Sarah Jones, Bridge & Tunnel; |
| Jefferson Mays, I Am My Own Wife; |
| Zilah Mendoza, Living Out; |
| Maude Mitchell, Mabou Mines dollHouse; |
| Brian F. O'Byrne, Frozen; |
| Tonya Pinkins, Caroline, or Change; |
| Lili Taylor, Aunt Dan and Lemon; |
| Simon Russell Beale, Uncle Vanya; |
| Shannon Cochran, Michael Shannon, Michael Cullen, Amy Landecker, Reed Birney, Bug; |
| Ana Reeder, Mary Shultz, Rob Campbell, Daniel Eric Gold, Lee Pace, Rosemarie DeWitt, Small Tragedy |
| Design: | The design team of Bug: Lauren Helpern (sets), Tyler Micoleau (lights), Brian Ronan (sound), Kim Gill (costumes), Faye Armon (props); |
| Derek McLane, set design I Am My Own Wife, Aunt Dan and Lemon, and Intimate Apparel |
| Music: | Robert Een Hiroshima Maiden |
| Special Citations: | Pieter-Dirk Uys, Foreign AIDS; |
| Tony Kushner and Jeanine Tesori; Caroline, or Change; |
| Soho Rep, Molly's Dream; |
| The Builders Association and motiroti, Alladeen; |
| Kyle Jarrow and Alex Timbers, A Very Merry Unauthorized Children's Scientology Pageant; |
| George C. Wolfe, for his stewardship of the Public Theater; |
| Martin Moran; The Tricky Part; |
| Terry Nemeth, Play Publishing, TCG |
| Lifetime Achievement: | Mark Russell |
| Grants: | The Civilians, Musicals Tonight, THAW (Theaters Against War) |
| Ross Wetzsteon Award: | St. Ann's Warehouse (Susan Feldman, artistic director) |
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