Mahmud Esad Coşan (14 April 1938 – 4 February 2001) was a Turkish academic author, preacher, professor of Islam and Naqshbandi leader.

In 1977–1980, while teaching at the College of Theology, he also taught Turkish Language and Literature at the Sakarya Government Architecture and Engineering Academy.

He was the leader of İskenderpaşa Jamia of the Nakşibendi-Khalidiyya Ṭarīqah when Mehmed Zahid Kotku died on 13 November 1980.

[2] Coşan and his son-in-law Ali Yücel Uyarel died in a car accident on the night of 4 February 2001 in Dubbo, Australia.

[2] Congregation members went to the community centre in Bulgurlu, Üsküdar following the arrival of the news of Coşan's death.