Aplin is a surname. Notable people with the surname include:
Arch "Beaver" Aplin (1958), Founder, CEO Buc-ee's Chip Aplin (born 1989), Collegiate swimmer Anders Aplin (born 1991), Singapore footballer Andrew Aplin (born 1991), American baseball player Frank Aplin (1901–1965), New Zealand police officer Gabrielle Aplin (born 1992), singer/songwriter from Bath, Somerset Greg Aplin (born 1952), Australian politician (Liberal, NSW) Henry H. Aplin (1841–1910), American Civil War veteran, businessman, and politician Joseph Aplin (c.1740 – 1804), politician in Nova Scotia and Prince Edward Island Ken Aplin (1918–2004), umpire in Australian rules football Nick Aplin (born 1952), Senior Lecturer at the Physical Education and Sports Science Academic Group at the National Institute of Education Oliver Vernon Aplin (1858–1940), British ornithologist Peter Aplin (1753–1817), admiral in Britain's Royal Navy Theodore Aplin (1927–1991), Australian botanist William Aplin (1840–1901), pastoralist, businessman and parliamentarian in Queensland, Australia
See also Aplin, West Virginia Aplin Islet, off Queensland Ross River (Queensland)#Aplin's Weir