The 1981 Avon Championships of Seattle was a women's tennis tournament played on indoor carpet courts at the Seattle Center Coliseum in Seattle, Washington in the United States that was part of the 1981 Avon Championships Circuit. It was the fifth edition of the tournament and was held from February 23 through March 1, 1981.[1] Sixth-seeded Sylvia Hanika won the singles title and earned $24,000 first-prize money.[2]
Sylvia Hanika defeated 
Barbara Potter 6–2, 6–4
Rosie Casals / 
Wendy Turnbull defeated 
Sue Barker / Ann Kiyomura 6–4, 6–1
| Event | W | F | 3rd | 4th | QF | Round of 16 | Round of 32 | Prel. round | ||
| style=background:#efefef | Singles | $24,000 | $12,000 | $6,500 | $6,200 | $3,000 | $1,600 | $900 | $500 |
|---|