Majd ad-Din may refer to:
- Majd al-Din Abu'l Fotuh Ahmad Ghazali (1061 â c. 1123), Persian Sufi writer and preacher
- Majd ad-Dën UsÃÂma ibn Murshid ibn ÿAlë ibn Munqidh al-KinÃÂni, or more briefly Usama ibn Munqidh (1095âÂÂ1188), Syrian poet
- Majd ad-Dën Ibn Athir (1149âÂÂ1210), Kurdish lexicographer
- Abu-t-Tahir Ibn Ibrahim Majd ud-Din ul-Fairuzabadi (1329âÂÂ1414), Persian lexicographer
- Majduddin (fl. 1780-90), Indian Muslim theologian
- , Iranian Shia Cleric
- Majed Aldin Ghazal (born 1987), Syrian high jumper