The 1973 Virginia Slims of Houston was a women's tennis tournament played on indoor carpet courts at the Net-Set (West Side) Racquet Club in Houston, Texas in the United States that was part of the 1973 Virginia Slims World Championship Series.

[1] Unseeded Françoise Dürr won the singles title and earned $7,000 first-prize money.

[3] Just before the start of the tournament three of the four top-seeded players (Margaret Court, Evonne Goolagong and Chris Evert) pulled out and Billie Jean King became the new top-seeded player.

King also played the "Battle of the Sexes" match against Bobby Riggs during the week of the tournament.

[1] Françoise Dürr defeated Rosemary Casals 6–4, 1–6, 6–4 Mona Schallau / Pam Teeguarden defeated Françoise Dürr / Betty Stöve 6–3, 5–7, 6–4