1980 Colgate Series Championships

The 1980 Colgate Series Championships was a women's tennis tournament played on indoor carpet courts at the Capital Centre in Landover, Maryland in the United States that was the season-ending tournament of the 1980 Colgate World Championship Series. The eight singles players with the most ranking points qualified for the tournament. It was the fourth edition of the tournament and was held from January 7 through January 12, 1981. Tracy Austin won the singles title and earned $75,000 first-prize money.

Singles
🇺🇸 Tracy Austin defeated 🇺🇸 Andrea Jaeger 6–2, 6–2

Doubles
🇺🇸 Rosemary Casals / 🇦🇺 Wendy Turnbull defeated 🇺🇸 Candy Reynolds / 🇺🇸 Paula Smith 6–3, 4–6, 7–6(7–5)

Prize money
Doubles prize money is per team.