Calder is a surname of Scottish origin.[1] Notable people with the surname include:
- Alexander Milne Calder (1846–1923), American sculptor, father of:
- Alexander Calder (Beaumont, Texas) (1806–1853), first mayor of Beaumont, Texas
- Alison Calder (born 1969), Canadian poet and literary critic
- Angus Calder (1942–2008), Scottish writer, historian and poet, son of Peter Calder
- Archibald Clement Calder, Canadian politician
- Barbara Calder (1924-2018), British yachtswoman
- Bob Calder (1907–1973), Scottish footballer
- Clive Calder (born 1946), South African-born British billionaire recording executive and businessman
- David Calder (actor) (born 1946), English actor
- David Calder (rower) (born 1978), Canadian rower
- David O. Calder (1823–1884), Mormon pioneer
- Eddie Calder, American college basketball player
- Finlay Calder (b. 1957), Scottish rugby player
- Frank Calder (1877–1943), British-born Canadian ice hockey executive, journalist, and first National Hockey League president
- Frank Arthur Calder (1915–2006), Canadian politician, plaintiff in Calder v British Columbia (AG)
- Harry Calder (1901–1995), South African cricketer
- James Calder (disambiguation) (1826–1893), 5th president of Pennsylvania State University
- James Alexander Calder (1868–1956), Canadian politician
- Jean Calder (1932/1933–2022), Australian humanitarian worker
- Jim Calder (footballer) (born 1960), Scottish footballer
- Jim Calder (rugby league) (fl. 1929–1936), New Zealand rugby league international
- Jim Calder (rugby union) (born 1957), Scottish rugby union international
- John Calder (1927–2018), founder of Calder Publishing
- John Alexander Calder, Canadian politician
- Katherine Calder (born 1980), New Zealand cross-country skier
- Kent E. Calder (born 1948), American professor of East Asian studies
- Mary Gordon Calder (c. 1906-1992), Scottish palaeobotanist
- Muffy Calder (born 1958), Canadian-born Scottish computer scientist
- Nigel Calder (1931–2014), British science writer, son of Peter Calder, father of Simon Calder
- Peter Ritchie Calder (1906–1982), Scottish author, journalist and academic, father of Nigel Calder
- Rebecca Calder (born 1981), English actress
- Robert Calder (1745–1818), British naval officer
- Robert Calder (priest) (1650?–1723), clergyman of the Scottish Episcopal Church, author, and controversialist
- Sam Calder (1916–2008), Australian politician
- Simon Calder (born 1955), travel writer
- Tony Calder (1943–2018), English music manager
- William M. Calder (1869–1945), senator from New York