1983 U.S. Clay Court Championships

The 1983 U.S. Clay Court Championships (also known as the 1983 U.S. Open Clay Courts) was a men's Grand Prix and women's Championship Series tennis tournament played on outdoor clay courts in Indianapolis in the United States. It was the 15th edition of the tournament and was held from July 31 through August 7, 1983. Jimmy Arias and Andrea Temesvári won the singles titles.

Men's singles
🇺🇸 Jimmy Arias defeated 🇪🇨 Andrés Gómez 6–4, 2–6, 6–4
 * It was Arias' 3rd title of the year and the 4th of his career.

Women's singles
🇭🇺 Andrea Temesvári defeated 🇺🇸 Zina Garrison 6–2, 6–2
 * It was Temesvári's 3rd title of the year and her career.

Men's doubles
🇦🇺 Mark Edmondson / 🇺🇸 Sherwood Stewart defeated 🇧🇷 Carlos Kirmayr / 🇧🇷 Cássio Motta 6–3, 6–2
 * It was Edmondson's 2nd title of the year and the 24th of his career. It was Stewart's 3rd title of the year and the 45th of his career.

Women's doubles
🇺🇸 Kathleen Horvath / 🇷🇴 Virginia Ruzici defeated 🇺🇸 Gigi Fernández / 🇺🇸 Beth Herr 7–5, 6–4
 * It was Horvath's 2nd title of the year and the 3rd of her career. It was Ruzici's 2nd title of the year and the 23rd of her career.