Calder is a surname. Notable people with the surname include:
Alexander Calder (Beaumont, Texas) (1806–1853), first mayor of Beaumont, TexasAlexander Milne Calder (1846–1923), American sculptor, father of:Alexander Stirling Calder (1870–1945), American sculptor, father of:Alexander Calder (1898–1976), American sculptor, the inventor of mobile sculptureBob Calder (b. 1907), Scottish footballerClive Calder (b. 1946), recording executive and businessmanDavid Calder (actor) (b. 1946)David O. Calder (1823–1884), Mormon pioneerEddie Calder, American college basketball playerFinlay Calder (b. 1957), Scottish rugby playerFrank Calder (1877–1943), the first NHL President, eponymous to:Frank Arthur Calder (1915–2006), Canadian politician, plaintiff in Calder v. British Columbia (Attorney General)Harry Calder (1901–1995), South African cricketerJames Calder (1826–1893), 5th President of the Pennsylvania State UniversityJames Alexander Calder (1868–1956), Canadian politicianJim Calder (footballer) (b. 1960) Scottish Footballer - Inverness Caledonian ThistleJim Calder (rugby league) New Zealand rugby league internationalJim Calder (rugby union) (b. 1957) Scottish rugby union internationalJohn Calder (b. 1927), founder of Calder PublishingKatherine Calder (b. 1980), cross-country skier and Winter OlympianMary Gordon Calder (c. 1906-1992), Scottish palaeobotanistPeter Ritchie Calder, (Lord Ritchie-Calder) (1906–1982), Scottish author, journalist and academic, father of:Nigel Calder (b. 1931), British science writer, father of:Simon Calder (b. 1955), travel writerAngus Calder (b. 1942), historianRobert Calder, (1745–1818), British naval officerSam Calder (b. 1916), Australian politicianWilliam M. Calder (1869–1945), senator from New York