1923 U.S. National Championships – Men's singles

Men's singles
1923 U.S. National Championships
Champion Bill Tilden
Runner-up Bill Johnston
Score6–4, 6–1, 6–4
Draw64
SeedsN.A.

Three-time defending champion Bill Tilden defeated Bill Johnston in the final, 6–4, 6–1, 6–4 to win the men's singles tennis title at the 1923 U.S. National Championships. It was Tilden's fourth U.S. Championships singles title and sixth major singles title overall.