Here are 28 famous people whose initials are S.S. and a couple others who I found but don’t think are so famous.
Soupy Sales, Summer Sanders (swimming gold medalist), Susan Sarandon, Steve Scott (sub 4-minute miler), Steven Seagal, Sidney Sheldon, Sam Shepard, Shel Silverstein, Scott Simon (NPR commentator), Sirhan Sirhan, Sam Snead (golfer), Suzanne Somers, Steven Soderbergh, Stephen Sondheim, Susan Sontag, Sammy Sosa, Sonia Sotomayor, Sissy Spacek, Steven Spielberg, Susan St. James, Saul Steinberg (New Yorker illustrator), Sylvester Stallone, Stephen Stills, Sharon Stone, Sly Stone, Sally Struthers, Sherry Stringfield (ER actress), and Sheryl Swoopes.
Not as famous: Simone Signoret (French actress), Shawn Stockman (U.S. actor), and Susan Strasberg (also an actress). Sam Spade is a fictional character.