Abu Zafar or Abu Jafar may refer to:
Abu Ja'far al-Mansur (714–775), second Abbasid caliph Abu Jaʿfar Abdullah al-Maʾmun ibn Harun (786–833), seventh Abbasid caliph Abu Jafar Mohammad Ibn Mousa Khwarizmi (780–850), Arab polymath Abu Jafar Muhammad ibn Musa ibn Shakir (803–873), Persian scholar Abu Jafar Muhammad ibn Jarir al-Tabari (839–923), Persian Sunni Muslim scholar and polymath Abu Jafar Al-Tahawi (853–933), Egyptian Arab Hanafi jurist and traditionalist theologian Abu Jafar al-Saduq Ibn Babawayh al-Qummi (923–991), Persian Shia Islamic scholar Abu Jaʿfar an-Nahhas (died 949), Egyptian Muslim scholar Abu Jafar ibn Atiyya (died 1158), Moroccan writer Abu Jafar ibn Harun al-Turjali (died 1180), Andalusian physician Abu Jafar Shamsuddin (1911–1988), Bangladeshi writer Sikandar Abu Zafar (1918–1975), Bangladeshi journalist and poet Abu Zafar Obaidullah (1934–2001), Bangladeshi poet and civil servant Kazi Abu Zafar Siddique (1940–2012), Bangladeshi recital artist and cultural activist Abu Zafar (lyricist) (1943–2024), Bangladeshi lyricist and composer Abu Zafar (born 1963), Bangladeshi diplomat Abu Jafar Mohammad Moinuddin, Bangladeshi politician