The 1980 WTA Tour was the 8th season since the foundation of the Women's Tennis Association.

The year is divided into two sponsored tours, with the first three months in the United States on the Avon Championships Circuit and the remaining nine months on the world wide Colgate Series Circuit.

It included the four Grand Slam tournaments and a series of other events.

The table below shows the 1980 WTA Tour schedule.

Below are the 1980 WTA year-end rankings (December 31, 1980) in singles competition: Women's World Tennis circuit|1923]]