Çelebi is a Turkish title, and historically an Ottoman title, meaning "gentleman". Notable people with the surname or title include:
The sons of Ottoman sultan Bayezid I, who fought one another for the throne in the Ottoman Interregnum:İsa Çelebi (1380–1406)Musa Çelebi (died 1413)Mehmed Çelebi (1390–1421), who won the civil war, being crowned sultan Mehmed IMustafa Çelebi (1393–1422)Süleyman Çelebi (1377–1411)Asaf Halet Çelebi (1907–1958), Turkish poetAşık Çelebi (1520–1572), Ottoman poet and biographerEvliya Çelebi (1611–1682), Ottoman travelerGazi Çelebi, 14th-century Turkish pirate and ruler of SinopHasan Çelebi (born 1937), Turkish calligraphistHezârfen Ahmed Çelebi, 17th-century Ottoman aviatorHoca Çelebi (1490–1574), Ottoman Grand MuftiKatip Çelebi (1609–1657), Ottoman scholarLagâri Hasan Çelebi, 17th-century Ottoman aviator, brother of Hezârfen AhmedNişancı Tâcı-Zâde Câ’fer Çelebi (1459-1515), 16th-century Ottoman statesman and a diwan poetSuzi Çelebi of Prizren (d.1524), Ottoman epic poetKınalızâde Ali Çelebi (1510/11?–1572), Ottoman scholar and poetKınalızâde Hasan Çelebi (1546-1604), Ottoman poet and bibliographerKinalizade Fehmi Çelebi (1564–1596), Ottoman poetYirmisekiz Mehmed Çelebi (died 1732), Ottoman statesman