Khalil Allah or Khalilullah is an Arabic name, usually associated with Abraham. It can also refer to:Khalilullah I, King of Shirvan Khalilullah II, King of Shirvan Khalilullah Butshikan, Iranian calligrapher Khalil Allah I, 37th Nizari imam Khalil Allah II Ali, 39th Nizari imam Shah Khalil Allah III, 45th Nizari imam Khalilullah Khalili (1907–1987), Afghan poet Khalil Ullah Khan (1934–2014), Bangladeshi actor Khalilullah (cricketer), Pakistani cricketer