The 1981 Toyota Series Championships was a women's tennis tournament played on indoor carpet courts at the Byrne Meadowlands Arena in East Rutherford, New Jersey in the United States that was the season-ending tournament of the 1981 Toyota World Championship Series. It was the fifth edition of the tournament and was held from December 15 through December 20, 1981.[1] Third-seeded Tracy Austin won the singles title and earned $75,000 first-prize money.[2] [3]
Tracy Austin defeated Martina Navratilova 2–6, 6–4, 6–2
Martina Navratilova / Pam Shriver defeated Rosemary Casals / 
Wendy Turnbull 6–3, 6–4
| Event | W | F | 3rd | 4th | 5th | 6th | 7th | 8th | ||
| style=background:#efefef | Singles | $75,000 | $40,000 | $19,500 | $19,500 | $8,250 | $8,250 | $8,250 | $8,250 | |
|---|---|---|---|---|---|---|---|---|---|---|
| style=background:#efefef | Doubles | $30,000 | $16,000 | $8,500 | $8,500 | NA | NA | NA | NA |