1977 Queen's Club Championships – Singles

Raúl Ramírez won the singles title at the 1977 Queen's Club Championships tennis tournament defeating Mark Cox in the final 9–7, 7–5.

Seeds

 * 1) 🇺🇸 Jimmy Connors (second round)
 * 2) 🇦🇷 Guillermo Vilas (second round)
 * 3)  Ilie Năstase (third round)
 * 4) 🇺🇸 Brian Gottfried (semifinals)