1972 US Open – Mixed doubles

Owen Davidson and Billie Jean King were the defending champions but lost in the semifinals to Ilie Năstase and Rosemary Casals.

Marty Riessen and Margaret Court won in the final 6–3, 7–5 against Ilie Năstase and Rosemary Casals.

Seeds
• # 🇷🇴 Ilie Năstase / 🇺🇸 Rosie Casals (final)

• # 🇺🇸 Marty Riessen / 🇦🇺 Margaret Court (champions)

• # 🇦🇺 Owen Davidson / 🇺🇸 Billie Jean King (semifinals)

• # Frew McMillan / 🇬🇧 Virginia Wade (first round)

• # Bob Maud /  Betty Stöve (quarterfinals)

• # 🇺🇸 Dennis Ralston / 🇫🇷 Françoise Dürr (third round)