The 1972 U.S. Clay Court Championships was a combined men's and women's tennis tournament that was part of the 1972 Grand Prix circuit. The event was held in Indianapolis, USA and played on outdoor clay courts. It was the 4th edition of the tournament in the Open Era and was held in from 7 August through 13 August 1972. Bob Hewitt and Chris Evert won the singles titles.
Bob Hewitt defeated 
Jimmy Connors 7–6, 6–1, 6–2
Chris Evert defeated 
Evonne Goolagong 7–6, 6–1
Bob Hewitt / Frew McMillan defeated Jaime Fillol / Patricio Cornejo 6–2, 6–3
Evonne Goolagong / Lesley Hunt defeated Margaret Court / Pam Teeguarden 6–2, 6–1