John McEnroe defeated Chris Lewis in the final, 6–2, 6–2, 6–2 to win the gentlemen's singles tennis title at the 1983 Wimbledon Championships.

Jimmy Connors was the defending champion, but lost in the fourth round to Kevin Curren.

Click on the seed number of a player to go to their draw section.

Gene Mayer and Jimmy Arias withdrew due to injury.

They were replaced in the draw by lucky loser Bruce Kleege and Qualifier Scott Davis respectively.