Eliel Saarinen, Architect; Gottlieb Eliel Saarinen (Rantasalmi, Finland 20 August 1873 - 1 July 1950).

Spider Sabich, Skier; Vladimir Peter Sabich, Jr. (Sacramento, California 1 October 1945 - 21 March 1976).

Sabu, Actor Sabu Dastagir (Mysore, India, 27 January 1924 - 2 December 1963).

Anwar el-Sadat, Soldier and politician; Mohammad Anwar el-Sadat (Mit Abu al-Kum, Egypt 25 December 1918 - 6 October 1981).

Sade, Singer; Helen Folasade Adu (Ibadan, Nigeria 16 January 1959).

Marquis de Sade, Libertine, Donatien Alphonse Francois Sade, (France 1740-1814).

Françoise Sagan, Writer; Françoise Quoirez (Cajarc, France 21 June 1935 - 24 September 2004).

Anna Sage, Brothel madam; Ana Cumpanas (Romania 1889 - ?). Betrayed John Dillinger to the FBI, on a promise of no deportation. Deported back to Romania.

Mort Sahl, Comedian & social satirest; Morton Lyon Sahl (Montreal, Quebec 11 May 1927).

Lili St. Cyr, Striptease artist, Willis Marie Van Schaack (USA 1918 - 99).

Raymond St Jacques, Movie director; James Arthur Johnson (Hartford, Connecticut 1 March 1930 - 27 August 1990).

David St. James, Actor, David Francis Jones, (USA, 1947).

Susan Saint James, Actor, Susan Jane Miller, (Los Angeles, California 14 August 1946).

Jill St. John, Jill Oppenheim, Actor (USA, 1940).

Mark St. John, Guitarist; Mark Leslie Norton (Hollywood, California 7 February 1956 - 5 April 2007).

Buffy Sainte-Marie, Singer, Beverly Sainte-Marie, (Canada, 1941).

Susan Saint James, Actor, Susan Jane Miller, (USA, 1946).

Yves St. Laurent, Fashion designer; Henri Donat Mathieu (Oran, Algeria 1 August 1936).

S.Z. (Cuddles) Sakal, Eugene Szakall, Actor, (Hungary, 1884-1955).

Kyu Sakamoto, Singer; Hisashi Oshima (Kawasaki, Kanagawa, Japan 10 November 1941 - 12 August 1985).

Harold Sakata, Actor; Toshiyuki Sakata (Holualoa, Hawaii 1 July 1920 - 29 July 1982).

Saki, Writer; Hector Hugh Munro (Akyab, Burma 18 December 1870 - 14 November 1916).

Soupy Sales, Milton Supman, Comic (Franklinton, North Carolina 8 January 1926).

J D Salinger, Author; Jerome David Salinger (New York City 1 January 1919).

Axis Sally, Broadcaster of German propaganda during WWII; Mildred Elizabeth Sisk (Portland, Maine 29 November 1900 - 25 June 1988). She took the name Mildred Gillars after her mother remarried. Sally referred to herself as "Midge at the mike", but was known by many of her audience as "The Bitch of Berlin".

Albert Salmi, Actor; Alfred Salmi (Brooklyn, New York 11 March 1928 - 22 April 1990).

Salt, Rapper; Cheryl James (Brooklyn, New York 8 March 1964). Half of the rap duo Salt-N-Pepa [with Sandi Denton].

Felix Salten, Writer; Siegmund Salzmann (Budapest, Hungary 6 September 1869 - 8 October 1945).

Sam the Sham aka Sam Samudio, Singer; Domingo Samudio (Dallas, Texas 1940). Of the Pharaohs.

Son of Sam, Serial murderer; David Berkowitz, né Richard David Falco and renamed after adoption. (New York, 1 June 1953).

Emma Samms, Actor; Emma Samuelson London, England 28 August 1960.

Nosaj Samoht, Movie costume designer/director/writer/ Jason Everett Thomas, (Pseudonym reverse of real name) (USA, 1975).