Willcox is a surname. Notable people with the surname include:
Anita Parkhurst Willcox, American artist, feminist and pacifist
Sir Charles Willcox, South Australian businessman and politician, and a mayor of the City of Adelaide
Cornelis DeWitt Willcox, American soldier and military writer
Orlando Bolivar Willcox, American Civil War general
Peter Willcox, American Greenpeace activist
Sheila Willcox, British equestrian
Spiegle Willcox, American jazz saxophonist
Tim Willcox, British television personality
Toyah Willcox, British singer and actress
Walter Francis Willcox, American statistician
