Defending champion Bob Bryan and his partner Vera Zvonareva defeated Alicia Molik and Todd Woodbridge in the final, 6–3, 6–4 to win the mixed doubles tennis title at the 2004 US Open.
Katarina Srebotnik and Bryan were the reigning champions, but Srebtonik did not compete this year.
Seeds
Rennae Stubbs / Daniel Nestor (semifinal) Cara Black / Wayne Black (second round) Lisa Raymond / Mahesh Bhupathi (second round) Vera Zvonareva / Bob Bryan (champions) Elena Likhovtseva / Nenad Zimonjić (Quarterfinal) Ai Sugiyama / Kevin Ullyett (second round) Virginia Ruano Pascual / Jared Palmer (second round) Martina Navratilova / Leander Paes (semifinal)
Draw
Finals
Top half
Bottom half
External links WTA draw 2004 US Open – Doubles draws and results at the International Tennis Federation