Hasan Çelebi, born 1937 in Erzurum, Turkey, is a Turkish master of Islamic calligraphy. He is a student of Hamid Aytaç.
Çelebi has devoted his whole life to calligraphy, and has been described by Caryle Murphy of The Washington Post as one "of the most celebrated masters of classical Ottoman calligraphy style".[1] His work was included in an exhibition of Iranian and Turkish calligraphy at the Saba Institute in Tehran.[2] His former student, Mohammed Zakariya, is an American master calligrapher who lectures in the USA and in the Middle East.