Mamoun or Mamun may refer to the following people
Given name Mamoun Maumoon Abdul Gayoom (born 1937), politician from Maldives Mamoun Beheiry (1925–2002), Sudanese economist Mamoun Darkazanli (born 1958), German-Syrian terrorist Mamoun Elyounoussi (born 1987), Dutch actor Mamoun Fandy, Egyptian-born American scholar Mamoun Hassan, British screenwriter, director, editor and producer Mamoun Sakkal, Syrian artist and calligrapher
Mamun Mamun Chowdhury (born 1961), Bangladeshi-born British businessman Mamun Khan (born 1985), Bangladeshi football player Mamun Mahmud (1928–1971), Bangladeshi police officer
Surname Mamoun Guy Bertrand Ngon Mamoun (born 1983), Cameroonian football player Hassan Mamoun (1894–1973), Egyptian jurist, Grand Imam and Grand Mufti Rania Mamoun (born 1979), Sudanese journalist, novelist and writer Marella Mamoun (born 1982), Syrian Olympic swimmer Mohammed esh Sheikh el Mamun, 17th century Sultan of Morocco Saad Mamoun (1922–2000), Egyptian military officer
Mamun Margarita Mamun (born 1995), Russian-Bengali rhythmic gymnast Mohd Mamun Miah (born 1987), Bangladeshi football player Nasir Ali Mamun (born 1953), Bangladeshi portrait photographer
Compound names with the element Mamun Abdullah al Mamun (disambiguation), multiple people Al-Ma'mun (Abū Jaʿfar Abdullāh al-Ma'mūn ibn Hārūn al-Rashīd, 786-833), Abbasid caliph Mamunul Haque (born 1973), Bangladeshi Islamic scholar Mamunul Islam Mamun (born 1988), Bangladeshi international footballer Mam'mun al-Rashid, multiple people Mamunur Rashid Khan (born 1948), Bangladeshi actor, director and scriptwriter Mamunur Rashid Kiron (born 1961), Bangladeshi politician and businessman Md. Mamunoor Rashid (born 1968), Bangladeshi politician