Hatimil Esmail Hassan (born 1949) is a Filipino politician serving as a member of the Bangsamoro Parliament since 2019 and the Deputy Chief Minister of Bangsamoro for the Islands since 2024. He previously served as one of the deputy speakers of the Parliament. He also previously served as a member of the ARMM Regional Legislative Assembly where he was elected speaker, serving from 2004 to 2006.
Hassan is a notable member of the MNLF Executive Council of 15, a faction of the Moro National Liberation Front (MNLF) who forged a unity agreement with the Moro Islamic Liberation Front (MILF). He is the currently the vice-chairman for External Affairs of the MNLF Central Committee.
Hassan was elected to the ARMM Regional Legislative Assembly as a member representing Basilan in 2001, and re-elected in 2005. In the 4th Assembly, he was elected as the chamber's speaker on April 28, 2004.
He was appointed as a commissioner of the National Commission on Muslim Filipinos from 2010 to 2012.
Hassan was one of the commissioners of the Bangsamoro Transition Commission under the administration of President Rodrigo Duterte.
In 2019, he was nominated by the Philippine national government to serve as a member of the Bangsamoro Parliament. He was thereafter appointed to the body by President Duterte, and was elected as deputy speaker during the first interim Parliament's inaugural session. He was reappointed to the Parliament in 2025 by President Bongbong Marcos.
Hassan succeeded Albakil Jikiri as the Deputy Chief Minister of Bangsamoro for the Islands on December 11, 2024.