Must Be Pop Masterlist
- Sam Gagner - athlete, hockey player, Edmonton Oilers
- Sam Rockwell - actor
- Sam Worthington - actor
- Sami Lepisto - athlete, hockey player, Phoenix Coyotes
- Sami Salo - athlete, hockey player, Vancouver Canucks
- Samu Haber - musician, Sunrise Avenue
- Samuel Pahlsson - athlete, hockey, Columbus Blue Jackets
- Sandra Bullock - actress
- Sara Quin - musician, Tegan & Sara
- Sarah Polley - actress
- Sarah Roemer - actress
- Sasha Pivovarova - model
- Sass Jordan - musician, CANNOT BE PORTRAYED PER CELEB'S REQUEST
- Scarlett Johansson - actress
- Scott Glennie - athlete, hockey player, Dallas Stars
- Scott Hartnell - athlete, hockey, Philadelphia Flyers
- Scott Niedermayer - athlete, hockey player, Retired
- Scottie Upshall - athlete, hockey player, Phoenix Coyotes
- Sean Brennan - musician, London After Midnight - CANNOT BE PORTRAYED PER CELEB'S REQUEST
- Sebastian Stan - actor
- Selena Gomez - actress
- Sergei Fedorov - athlete, hockey player, Metallurg Magnitogorsk (KHL)
- Seth Rogen - actor
- Shane Doan - athlete, hockey player, Phoenix Coyotes
- Shane O'Brien - athlete, hockey player, Vancouver Canucks
- Shannon Leto - musician, 30 Seconds to Mars
- Shannyn Sossamon - actress
- Shea Weber - athlete, hockey player, Nashville Predators
- Shemar Moore - actor
- Shenae Grimes - actress - CANNOT BE PORTRAYED WITHOUT A MODERATOR'S PERMISSION
- Sheryl Crow - musician
- Shia Labeouf - actor
- Sidney Crosby - athlete, hockey player, Pittsburgh Penguins
- Sienna Guillory - actress
- Sienna Miller - actress
- Sierra Kusterbeck - musician, Versaemerge
- Sigourney Weaver - actress
- Simon Amstell - tv personality
- Simon Gagne - athlete, hockey player, Tampa Bay Lightning
- Sophia Bush - actress
- Stefan Della Rovere - athlete, hockey, St. Louis Blues
- Stefan Legein - athlete, hockey player, Philadelphia Flyers
- Stéphanie Cloutier - other, girlfriend of José Théodore's, CANNOT BE PORTRAYED PER CELEB'S REQUEST
- Stephen Colbert - television personality, CANNOT BE PORTRAYED WITHOUT A MODERATOR'S PERMISSION
- Stephen Dorff - actor
- Stephen Malkmus - musician - Pavement, the Jicks
- Stephen Moyer - actor
- Steve Downie - athlete, hockey, Tampa Bay lightning
- Steve Gonsalves - television personality, Ghost Hunters/Ghost Hunters Academy
- Steve Jocz/Stevo 32 - musician, Sum 41 - CANNOT BE PORTRAYED WITHOUT A MODERATOR'S PERMISSION
- Steve Mason - athlete, hockey, Columbus Blue Jackets
- Steve Ott - athlete, hockey, Dallas Stars
- Steven R. McQueen - actor
- Steven Stamkos - athlete, hockey, Tampa Bay Lightning
- Storm Large - musician, Storm Large and the Balls, Rock Star Supernova
- Suzi Rawn - musician, Canadian Idol III - CANNOT BE PORTRAYED PER CELEB'S REQUEST