Abdul Jalil bin Haji Ahmad is a Bruneian aristocrat, diplomat and retired naval officer who served as the sixth Commander of the Royal Brunei Navy (RBN) from 1995 to 2002.

His early years were spent in Kampong Ayer, where he remained until he enlisted at the recruiting office of Bolkiah Camp of the Royal Brunei Malay Regiment (RBMR) in 1972.

[1] Upon completing his training, Abdul Jalil was assigned to the 30-person crew KDB Pahlawan as a gunnery and navigation officer.

[3] Pehin Abdul Jalil completed his term as the Islamic Republic of Pakistan's High Commissioner for Brunei.

[7] Abdul Jalil has a daughter named Norlila, permanent secretary of the Ministry of Culture, Youth and Sports (MCYS).