1980 Avon Championships of Seattle

The 1980 Avon Championships of Seattle was a women's tennis tournament played on indoor carpet courts at the Seattle Center Arena  in Seattle, Washington in the United States that was part of the 1980 Avon Championships Circuit. It was the fourth edition of the tournament and was held from January 28 through February 3, 1980. Second-seeded Tracy Austin won the singles title and earned $30,000 first-prize money.

Singles
🇺🇸 Tracy Austin defeated 🇬🇧 Virginia Wade 6–2, 7–6(7–1)
 * It was Austin's 2nd title of the year and the 12th of her career.

Doubles
🇺🇸 Rosie Casals / 🇦🇺 Wendy Turnbull defeated 🇬🇧 Virginia Wade / Greer Stevens 6–4, 2–6, 7–5