Qutb ad-Din (Arabic: قطب الدین ) is a masculine given name composed of the elements Qutb and ad-Din. Notable bearers of the name include:
Qutb al-din Hasan (died 1100), king of the Ghurid dynasty
Qutb al-Din Muhammad, or Muhammad I of Khwarazm (died 1127), appointed Shah of Khwarazm by the Seljuk sultan
Qutb ad-Din Mawdud (died 1170), Zengid Emir of Mosul
Qutb al-Din Aibak (died 1210), founder of the Mamluk Sultanate of Delhi
Qutb ad-Din Muhammad (died 1219), Zengid Emir of Sinjar
Qutb ad-Dīn Haydar (died ca. 1221), Persian Sufi saint
Qutbuddin Bakhtiar Kaki (1173–1235), Indian Sufi saint
Qutb al-Din al-Shirazi (1236–1311), Persian scientist, musician and poet
Qutb ud din Mubarak Shah (died 1320), ruler of the Khilji dynasty in India
Qutb al-Din Muhammad (died 1346), Mihrabanid malik of Sistan
Qutb al-Din ibn 'Izz al-Din (died 1386), Mihrabanid malik of Sistan
Qutb al-Din Muhammad ibn Shams al-Din Shah 'Ali (ca. 1366 - 1419), Mihrabanid malik of Sistan
Qutb-ud-Din Bahadur Shah of Gujarat (died 1537), sultan of Gujarat
Qutb ud-Din Muhammad Mu'azzam, later Bahadur Shah I (1643–1712), Mughal Emperor
Ghotbeddin Sadeghi (born 1952), Iranian theatre director, playwright, stage and film actor
