Mufaddal or Mofazzal is an Arabic name. People with this name include:
Historical al-Mufaddal al-Dabbi (died –787), Arabic philologist of the Kufan school al-Mufaddal ibn Umar al-Ju'fi (died before 799), early Shi'i / ghulat leader and close confidant of Ja'far al-Sadiq (died 765) Athir al-Din al-Abhari, al‐Mufaddal ibn Umar ibn al‐Mufaddal al‐Samarqandi al‐Munajjim (died 1265 or 1262), Iranian astronomer and mathematician al-Mufaddal ibn Abi al-Fada'il, 14th-century Coptic Christian historian from Egypt
Modern Mufazzal Haider Chaudhury (1926–1971), Bengali essayist and linguist Mufaddal Saifuddin (born 1946), spiritual leader and 53rd of the Dawoodi Bohras, a subgroup of the Ismaili Shia branch of Islam Mofazzal Hossain Chowdhury (born 1948), Bangladeshi government minister Kazi Shah Mofazzal Hossain Kaikobad (born 1956), Bangladeshi politician Kazi Mofazzal Hossain Shaikat (born 1986), Bangladeshi footballer Muhammad Mofazzal Hossain Master, Bangladeshi politician
See also , 8th-century anthology of ancient Arabic poems compiled by al-Mufaddal al-Dabbi , 9th-century work falsely attributed to al-Mufaddal ibn Umar al-Ju'fi