The 1973 Virginia Slims Championships were the second season-ending WTA Tour Championships, the annual tennis tournament for the best female tennis players in singles on the 1973 Virginia Slims circuit which was part of the 1973 WTA Tour.

[1] Both the top two qualifying players and top seeds Margaret Court and Billie Jean King had to withdraw from the tournament due to injury, although Court did compete (and win) in the doubles event.

Fourth ranked Evonne Goolagong also defaulted.

First-seeded Chris Evert won her second consecutive singles title at the event.

[3] Chris Evert defeated Nancy Richey, 6–3, 6–3 Rosemary Casals / Margaret Court defeated Françoise Dürr / Betty Stöve, 6–2, 6–4