This is a list of male professional bodybuilders.
- Feras Saied
- Frank Saldo
- Monte Saldo
- Silvio Samuel
- Eugen Sandow, "father" of modern bodybuilding
- Miloš Šarčev
- Marko Savolainen, "Supermass"
- Günter Schlierkamp, "The Gentle Giant"
- Sonny Schmidt, "Samoan", Masters Olympia Champion 1995
- Armin Scholz
- Arnold Schwarzenegger, "The Austrian Oak", Mr. Universe 1968, seven-time Mr. Olympia, actor, politician
- Larry Scott, "The Legend", two-time Mr. Universe, two-time Mr. Olympia
- Vic Seipke
- Sergey Shelestov
- Radosław Słodkiewicz
- Gary Strydom
- Joel Stubbs