The 1977 Virginia Slims of Houston was a women's tennis tournament played on indoor carpet courts at the Astro Arena in Houston, Texas in the United States that was part of the 1977 Virginia Slims World Championship Series. It was the seventh edition of the tournament and was held from January 17 through January 23, 1977. First-seeded Martina Navratilova won the singles title and earned $20,000 first-prize money.
Finals
Singles
Martina Navratilova defeated Sue Barker 7–6(5–3), 7–5
Doubles
Martina Navratilova / Betty Stöve defeated Sue Barker / Ann Kiyomura 4–6, 6–2, 6–1