The 55th Writers Guild of America Awards, given in 2003, honored the film and television best writers of 2002.

Bowling for Columbine - Michael Moore

• Antwone Fisher - Antwone Fisher
• Far from Heaven - Todd Haynes
• Gangs of New York - Jay Cocks, Kenneth Lonergan and Steven Zaillian
• My Big Fat Greek Wedding - Nia Vardalos

The Hours - David Hare

• About a Boy - Peter Hedges, Chris and Paul Weitz
• About Schmidt - Alexander Payne and Jim Taylor
• Adaptation. - Charlie and Donald Kaufman
• Chicago - Bill Condon

Frasier - Bob Daily, Lori Kirkland and Dan O'Shannon for "Rooms With a View"

• The Bernie Mac Show - Larry Wilmore for "Pilot"
• Ed - Jon Beckerman and Rob Burnett for "The Wedding"
• Scrubs - Bill Lawrence for "My First Day (Pilot)"
• Sex and the City - Cindy Chupack for "Plus One Is the Loneliest Number"
• Sex and the City - Michael Patrick King for "I Heart NY"
• Sex and the City - Julie Rottenberg; Elisa Zuritsky for "Change of a Dress"

The Education of Max Bickford - Dawn Prestwich and Nicole Yorkin for "Pilot"

• ER - John Wells for "On the Beach"
• Resurrection Blvd. - Robert Eisele for "Nino Del Polvo"
• Six Feet Under - Christian Taylor for "In Place of Anger"
• The Sopranos - Mitchell Burgess and Robin Green for "Whoever Did This"
• The West Wing - Paul Redford and Aaron Sorkin for "Game On"

• WGA - Previous award winners