Alder (surname)

Alder is a surname. Notable people with the surname include:


 * Alan Alder (1937–2019), Australian ballet dancer
 * Alison Alder (born 1958), Australian screenprinter
 * Berni Alder (1925–2020), German-born American physicist
 * Christian Alder (born 1978), German footballer
 * Christopher Alder (1960–98), British former soldier who died in police custody; see Death of Christopher Alder
 * Danny Alder (born before 2007), Australian actor
 * Don Alder (born before 1985), Canadian fingerstyle guitarist
 * Douglas D. Alder (born 1932), American historian and academic administrator
 * Esther Alder (born 1958), Swiss politician
 * Fred Alder (1889–1960), Australian rules footballer
 * Guillermo Alder (born 1971), Argentine cross-country skier
 * Henry Alder (1874–1949), Australian rules footballer
 * Inés Alder (born 1970), Argentine retired cross-country skier
 * Janine Alder (born 1995), Swiss ice hockey goaltender
 * Jim Alder (born 1940), British distance runner who competed in the 1968 Summer Olympics
 * John C. Alder (born 1944), English musician better known as "Twink"
 * Jonathan Alder (1773–1849), American pioneer
 * Joshua Alder (1792–1867), British zoologist and malacologist
 * Kurt Alder (1902–58), German chemist, co-winner of the 1950 Nobel Prize in Chemistry
 * Alder (crater), a lunar crater named after Kurt Alder
 * Diels–Alder reaction, a chemical reaction named after Otto Diels and Kurt Alder
 * Mike Alder (born before 2004), Australian mathematician and writer
 * Ray Alder (born 1967), American singer with the band Fates Warning
 * Roger Alder (born before 2005), British organic chemist
 * Thomas Alder (1932–68), German actor
 * Vera Stanley Alder (1898–1984), English portrait painter and mystic
 * Viviana Alder (born 1957), Argentine researcher


 * Other people named Alder
 * George Alder Blumer (1857–1940), British-born American physician, mental hospital administrator and journal editor
 * Rhondda Alder Kelly (1926–2014), Australian beauty queen
 * William Alder Strange (1813–74), English headmaster and author
 * Charles Romley Alder Wright (1844–94), English chemist and physicist