Girardi is an Italian surname. Notable people with the surname include:
Alexander Girardi (1850–1918), Austrian actor
Daniel Girardi (born 1984), Canadian ice hockey player
Domenico Girardi (born 1985), Italian Association football player
Frank Girardi, American college football coach
Guido Girardi (born 1961), Chilean politician
Graziano Girardi (born 1940), Italian politician
Joe Girardi (born 1964), American baseball manager and former player
Joseph Girardi (1943–1982), American college football coach
Robert Girardi (born 1961), American author
Sergio Girardi (born 1946), Italian Association football player
Thomas Girardi (born 1939), American lawyer
Ulrico Girardi (1930–1986), Italian bobsledder
Walter Girardi (born 1976), Italian alpine skier
Vesna Girardi-Jurkić (1944–2012), Croatian archeologist and politician