1978 Colgate Series Championships

The 1978 Colgate Series Championships was a women's tennis tournament played on outdoor hard courts at the Mission Hills Country Club in Palm Springs, California in the United States that was the season-ending tournament of the 1978 Virginia Slims World Championship Series. It was the second edition of the tournament and was held from November 14 through November 19, 1978. Chris Evert won the singles title and earned $75,000 first-prize money.

Singles
🇺🇸 Chris Evert defeated 🇺🇸 Martina Navratilova 6–3, 6–3
 * It was Evert's 6th singles title of the year and the 84th of her career.

Doubles
🇺🇸 Billie Jean King / 🇺🇸 Martina Navratilova defeated 🇦🇺 Wendy Turnbull / 🇦🇺 Kerry Reid 6–3, 6–4

Prize money
Doubles prize money is per team.