Sylva Koscina (born as Silvija Košćina in Split, Dalmatia, Kingdom of Yugoslavia, now Republic of Croatia; 22 August 1933 — 26 December 1994) was an Italian actress.

Sydney Jordan (born Dundee, Scotland, 1928) is a comics artist best known for his daily science fiction strip Jeff Hawke, which ran in the Daily Express from 1955 to 1974.

Sybille Waury (* May 9, 1970) is a German actress.

Sybil Darrow (born Sybil Josie Temtchine on June 7, 1979) is an American actress.