The 1977 Nice International Championships, was a men's tennis tournament played on outdoor clay courts at the Nice Lawn Tennis Club in Nice, France, and was part of the 1977 Colgate-Palmolive Grand Prix. It was the sixth edition of the tournament and was held from 28 March until 3 April 1977. First-seeded Björn Borg won the title.
Björn Borg defeated Guillermo Vilas 6–4, 1–6, 6–2, 6–0
Ion Țiriac / Guillermo Vilas defeated Chris Kachel / Chris Lewis 6–4, 6–1