Namesakes
Charles Sydney Smith
(m) 1876-1951 
Olympic Medalists 1908; 1912; 1920 water polo (gold)
O. Henry
(middle name Sydney) (m) 1862-1910
Notable Writers
Peter Lawford
(middle name Sydney) (m) 1923-1984
Notable Actors and Entertainers (actor)
Sidney Hodgson
(a.k.a. Sydney) (m) ?-1591
Saints
Syd Hansen
(f)
Fictional Characters from Television 1999 Providence
Syd Howe
(m) 1911-1976
Hall-of-Famers 1965 (ice hockey)
Notable Athletes (ice hockey)
Sydney Battersby
(m) 1887-1974
Olympic Medalists 1908; 1912 swimming - 1500 m freestyle; swimming - 4x200 m freestyle relay (silver/bronze)
Sydney Brenner
(m) 1927-2019
Nobel Prize Winners 2002 (medicine)
Notable Scientists and Inventors
Sydney Bristow
(f)
Fictional Characters from Television 2001 Alias
Sydney Carton
(m)
Fictional Characters from Books 1854 A Tale of Two Cities
Sydney Chaplin
(m) 1926-2009
Notable Actors and Entertainers (actor)
Sydney Greenstreet
(m) 1879-1954
Notable Actors and Entertainers (actor)
Sydney Leroux
(f) 1990-
Olympic Medalists 2012 football (gold)
Sydney McLaughlin-Levrone
(f) 1999-
Olympic Medalists 2020 400 m hurdles; 4x400 m relay (gold)
Sydney Pollack
(m) 1934-2008
Notable Filmmakers
Oscar Award Winners 1986 Out of Africa (director)
Sydney Sweeney
(f) 1997-
Notable Actors and Entertainers (actor)