Şeyh Mustafa İsmet Garibullah (1808, Yanya – ?) was a Sufi who lived during the final period of the Ottoman State. He belonged to the Nakşibendi-Hâlidî order and is known for his accumulation of Islamic scholarly knowledge and his Sufi works. It is recorded that he placed great importance on scholarly and guiding activities throughout his life and trained numerous students.

He was born in 1808 in Yanya, which was part of the Ottoman Empire. After completing his foundational education in Islamic sciences, he finalized his Sufi training under the masters of the Nakşibendi order. He undertook a seven-year spiritual journey (seyr-i sülûk) under Mevlânâ Abdullah el-Mücâvir fî Beledillâh in Mekke. He later began his guiding activities at the Sultan Camii in Edirne and continued his services in Kocamustafapaşa, Istanbul.

As one of the leading figures of the Nakşibendi-Hâlidî order, he worked to promote Islamic education and preserve moral values. Historical records indicate that he dedicated his life to the path of knowledge and contributed significantly to the training of many students.

Mustafa İsmet Garibullah is generally regarded among the public as a person characterized by zühd and takva. His Sufi discourses and teachings continue to hold significance within the Nakşibendi-Hâlidî tradition. His spiritual guidance approach was carried forward by his successors and followers. Numerous important figures, including Sultan Abdülmecid, were affiliated with him.

There are widespread accounts of his profound knowledge of Sufi subjects. Historical sources note that he led a simple life, free from ostentation, and that his disciples particularly emphasized this aspect of his character.

Şeyh Mustafa İsmet Garibullah authored several works on Sufism, which are regarded as important sources for the transmission of Sufi teachings.

Risale-i Kudsiyye: Written in verse, this work contains Sufi teachings.

Risale-i Kudsiyye Translation: An annotated translation of the work, aiming to make Sufi concepts more accessible.

The tomb of Şeyh Mustafa İsmet Garibullah is located in the cemetery of İsmail Ağa Camii in the Fatih district of Istanbul. The Türbe continues to be visited as a historical and cultural yapı and is regarded as one of the important elements of Istanbul’s Sufi heritage.