The men's singles was an event on the tennis at the 1900 Summer Olympics program in Paris.

This was the first time in Olympic history that Great Britain had a medal sweep in an event.

Laurence Doherty took top honors, beating Harold Mahony in the final.

[1] Reginald Doherty had just won his fourth straight The Championships, Wimbledon singles title.

The competition was a single-elimination tournament with no bronze-medal match (both semifinal losers tied for third).