Allan or Alan Grant may refer to:

Alan Grant Alan Grant (American football) (born 1966), former American football cornerback Alan Grant (writer) (1949–2022), comic book writer Alan Grant (hurler) (born 1991), Northern Irish hurler A. K. Grant (1941–2000), New Zealand humorist

Allan Grant Allan Grant (1919–2008), American photojournalist Allan Grant (footballer) (born 1973), Scottish former footballer

Fictional Inspector Alan Grant, fictional Scotland Yard detective, from a series of mystery novels by Josephine Tey Alan Grant (Jurassic Park), a character from the Jurassic Park book and film franchise Alan Grant, a character from the 2012 Canadian horror movie American Mary Alan Grant, a character from the 2022 film The Whale, who served as Charlie's unseen deceased boyfriend

See also Grant Allen (1848–1899), science writer and novelist Robert Allen Grant (1905–1998), US Representative and judge