1981 Toyota Series Championships

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. Third-seeded Tracy Austin won the singles title and earned $75,000 first-prize money.

Singles
🇺🇸 Tracy Austin defeated 🇺🇸 Martina Navratilova 2–6, 6–4, 6–2
 * It was Austin's 8th singles title of the year and the 29th of her career.

Doubles
🇺🇸 Martina Navratilova / 🇺🇸 Pam Shriver defeated 🇺🇸 Rosemary Casals / 🇦🇺 Wendy Turnbull 6–3, 6–4

Prize money
Doubles prize money is per team.