2005 US Open – Mixed doubles

Vera Zvonareva and Bob Bryan were the defending champions, but Zvonareva did not participate in this U.S. Open due to injury. Bryan partnered Rennae Stubbs, and the pair lost in the quarterfinals to Corina Morariu and Mike Bryan.

Daniela Hantuchová and Mahesh Bhupathi won the title, defeating Katarina Srebotnik and Nenad Zimonjić in the final 6–4, 6–2. With this win, Hantuchová completed the Career Grand Slam in Mixed Doubles, becoming the thirteenth player to complete this milestone.

Seeds
• # Cara Black / Wayne Black (second round)

• # 🇦🇺 Rennae Stubbs / 🇺🇸 Bob Bryan (quarterfinals)

• # 🇷🇺 Elena Likhovtseva / 🇨🇦 Daniel Nestor (second round)

• # 🇺🇸 Lisa Raymond / 🇸🇪 Jonas Björkman (second round)

• # 🇯🇵 Ai Sugiyama / Kevin Ullyett (quarterfinals)

• # 🇺🇸 Corina Morariu / 🇺🇸 Mike Bryan (semifinals)

• # 🇺🇸 Martina Navratilova / 🇮🇳 Leander Paes (quarterfinals)

• # 🇦🇺 Alicia Molik / 🇦🇺 Todd Perry (second round)