1970 French Open – Men's singles

Jan Kodeš defeated Željko Franulović in the final, 6–2, 6–4, 6–0 to win the men's singles tennis title at the 1970 French Open. It was his first major singles title.

Rod Laver was the reigning champion, but did not compete this year.

Seeds
The seeded players are listed below. Jan Kodeš is the champion; others show the round in which they were eliminated.


 * 1) 🇷🇴 Ilie Năstase (quarterfinals)
 * 2) 🇺🇸 Stan Smith (first round)
 * 3) 🇪🇸 Manuel Santana (fourth round)
 * 4) 🇺🇸 Arthur Ashe (quarterfinals)
 * 5)  Željko Franulović (final)
 * 6) 🇿🇦 Bob Hewitt (second round)
 * 7)  Jan Kodeš (champion)
 * 8) 🇺🇸 Cliff Richey (semifinals)
 * 9)  Alex Metreveli (fourth round)
 * 10) 🇷🇴 Ion Țiriac (fourth round)
 * 11) 🇫🇷 François Jauffret (quarterfinals)
 * 12) 🇦🇺 Lew Hoad (fourth round)
 * 13) 🇪🇸 Manuel Orantes (fourth round)
 * 14) 🇫🇷 Georges Goven (semifinals)
 * 15) 🇦🇺 Ray Ruffels (third round)
 * 16) 🇦🇺 Dick Crealy (fourth round)

Key

 * Q = Qualifier
 * WC = Wild card
 * LL = Lucky loser
 * r = Retired