Jimmy Connors was the defending champion and won the singles title at the 1983 Queen's Club Championships tennis tournament defeating compatriot John McEnroe in the final 6–3, 6–3.[1]
Jimmy Connors (champion) John McEnroe (final) Vitas Gerulaitis (second round) Steve Denton (quarterfinals) Bill Scanlon (third round) Brian Gottfried (quarterfinals) Hank Pfister (third round)
Wojciech Fibak (third round) Brian Teacher (first round)
Mark Edmondson (first round) Tim Mayotte (quarterfinals) John Alexander (first round) Paul McNamee (third round)
Marcos Hocevar (third round)