1980 Avon Championships of Dallas

The 1980 Avon Championships of Dallas was a women's tennis tournament played on indoor carpet courts at the Moody Coliseum in Dallas, Texas that was part of the 1980 Virginia Slims World Championship Series. It was the ninth edition of the tournament, held from March 3 through March 9, 1980. First-seeded Martina Navratilova won the singles title and earned $30,000 first-prize money.

Singles
🇺🇸 Martina Navratilova defeated 🇦🇺 Evonne Goolagong Cawley 6–3, 6–2
 * It was Navratilova's sixth singles title of the year and the 40th of her career.

Doubles
🇺🇸 Billie Jean King / 🇺🇸 Martina Navratilova defeated 🇺🇸 Rosie Casals / 🇦🇺 Wendy Turnbull 4–6, 6–3, 6–3