1975 U.S. Clay Court Championships

The 1975 U.S. Clay Court Championships was a combined men's and women's Grand Prix tennis tournament held in Indianapolis in the United States and played on outdoor clay courts. It was the seventh edition of the tournament and was held from August 4 through August 11, 1975. Third-seeded Manuel Orantes won the men's singles title and the accompanying $16,000 first prize money while Chris Evert won the women's singles title.

Men's singles
🇪🇸 Manuel Orantes defeated 🇺🇸 Arthur Ashe 6–2, 6–2
 * It was Orantes' 6th title of the year and the 17th of his career.

Women's singles
🇺🇸 Chris Evert defeated 🇦🇺 Dianne Fromholtz 6–3, 6–4
 * It was Evert's 9th singles title of the year and the 48th of her career.

Men's doubles
🇪🇸 Juan Gisbert / 🇪🇸 Manuel Orantes defeated 🇵🇱 Wojciech Fibak / Hans-Jürgen Pohmann 7–5, 6–0

Women's doubles
Fiorella Bonicelli / 🇨🇴 Isabel Fernández defeated 🇫🇷 Gail Chanfreau / 🇺🇸 Julie Heldman 3–6, 7–5, 6–3