Amanullah Khan (1892–1960) was the ruler of Afghanistan, 1919–1929.
Amanullah Khan is also the name of:
Amanullah Khan (Herat leader) (died 2006), Afghan Pashtun who challenged the authority of Governor Ismail Khan Amanullah Khan Jadoon, Pakistani politician Amanullah Khan Zadran or just Amanullah Zadran, former Taliban leader, Pashtun, Afghan Minister of Border and Tribal Affairs 2001–2002 Amanullah Khan (umpire) (1933–2005), Pakistani cricket umpire Amanullah Khan (comedian) (born 1950), Pakistani actor, producer and writer Amanullah Khan (JKLF) (1934–2016), Kashmiri separatist Amanullah Khan (Indian politician) (1950–2002), politician in Hyderabad Old City Amanullah Khan (Bangladeshi politician), Bangladesh Awami League politician