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 dynastyQutb al-Din Muhammad, or Muhammad I of Khwarazm (died 1127), appointed Shah of Khwarazm by the Seljuk sultanQutb ad-Din Mawdud (died 1170), Zengid Emir of MosulQutb al-Din Aibak (died 1210), founder of the Mamluk Sultanate of DelhiQutb ad-Din Muhammad (died 1219), Zengid Emir of SinjarQutb ad-Dīn Haydar (died ca. 1221), Persian Sufi saintQutbuddin Bakhtiar Kaki (1173–1235), Indian Sufi saintQutb al-Din al-Shirazi (1236–1311), Persian scientist, musician and poetQutb ud din Mubarak Shah (died 1320), ruler of the Khilji dynasty in IndiaQutb al-Din Muhammad (died 1346), Mihrabanid malik of SistanQutb al-Din ibn 'Izz al-Din (died 1386), Mihrabanid malik of SistanQutb al-Din Muhammad ibn Shams al-Din Shah 'Ali (ca. 1366 - 1419), Mihrabanid malik of SistanQutb-ud-Din Bahadur Shah of Gujarat (died 1537), sultan of GujaratQutb ud-Din Muhammad Mu'azzam, later Bahadur Shah I (1643–1712), Mughal EmperorGhotbeddin Sadeghi (born 1952), Iranian theatre director, playwright, stage and film actor