1977 WTA Tour
The 1977 WTA Tour consisted of a number of tennis tournaments for female tennis players. It was composed of two circuits the newly streamlined version of the Virginia Slims Circuit and the world wide Colgate International Series. The year 1977 also saw the creation of the first official ranking system and these rankings were used to determine acceptance into the tournaments.
Schedule
This is a calendar of all events which were part of either the Virginia Slims circuit or the Colgate International Series in the year 1977, with player progression documented from the quarterfinals stage. Also included are the Grand Slam tournaments, the 1977 Virginia Slims Championships, the 1977 Federation Cup and a number of events not affiliated with either tour.;Key
| Grand Slam tournaments |
| Virginia Slims/Colgate Series championships |
| Virginia Slims Circuit |
| Colgate International Series |
| Non-tour events |
| Team events |