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.
Tracy Austin defeated Martina Navratilova 2âÂÂ6, 6âÂÂ4, 6âÂÂ2
Martina Navratilova / Pam Shriver defeated Rosemary Casals / Wendy Turnbull 6âÂÂ3, 6âÂÂ4
Doubles prize money is per team.