The 1971 World Championship Tennis circuit was one of the two rival professional male tennis circuits of 1971.

It was organized by World Championship Tennis (WCT) and was the first edition of the circuit.

The circuit included twenty regular events and a WCT circuit final taking place in Houston/Dallas in November for the eight players with the highest points total.

Each tournament had a minimum prize money of $50,000.

[1] The schedule of the tournaments on the 1971 WCT circuit, with player progression documented from the quarterfinals stage onward.