The 1976 U.S. Clay Court Championships was a tennis tournament that was part of the men's Grand Prix and the women's Grand Prix.

It was held in Indianapolis in the United States and played on outdoor clay courts.

First-seeded Jimmy Connors won the singles title and the accompanying $25,000 first-prize money.

[3] Kathy May claimed the women's title and $6,000 in prize money.

[4] Jimmy Connors defeated Wojciech Fibak 6–2, 6–4 Kathy May defeated Brigitte Cuypers 6–4, 4–6, 6–2 Brian Gottfried / Raúl Ramírez defeated Fred McNair / Sherwood Stewart 6–2, 6–2 Linky Boshoff / Ilana Kloss defeated Laura duPont / Wendy Turnbull 6–2, 6–3