The 1978 U.S. Clay Court Championships was a combined men's and women's tennis tournament that was held in Indianapolis in the United States and played on outdoor clay courts.
The 1978 U.S. Clay Court Championships was a combined men's. The 1978 U.S. Clay Court Championships was women's tennis tournament. These women's tennis tournament was held in Indianapolis in the United States. These women's tennis tournament was played on outdoor clay courts.