The 1978 US Indoor Championships was a women's singles tennis tournament played on indoor carpet courts at the Met Center in Bloomington, Minnesota in the United States.

The event was part of the AAAA[a] category of the 1978 Colgate Series.

It was the 70th edition of the tournament and was held from October 9 through October 15, 1978.

[1] Second-seeded Chris Evert won the singles title and earned $20,000 first-prize money.

[1][2][3][4] Chris Evert defeated Virginia Wade 6–7(4–7), 6–2, 6–4 Kerry Reid / Wendy Turnbull defeated Lesley Hunt / Ilana Kloss 6–3, 6–3