Tunku Abdul Jalil Iskandar ibni Sultan Ibrahim Ismail (b.
5 July 1990; d.
5 December 2015) was the Tunku Laksamana of Johor.
He was born to members of the Johor Royal Family (his paternal side of the family) and the Perak Royal Family (his maternal side of the family).
Tunku Abdul Jalil was the fourth children of the current Sultan of Johor, Sultan Ibrahim Ismail and his consort Raja Zarith Sofiah.
He was the fourth grandson of the previous Sultan of Johor, Sultan Iskandar and the previous Sultan of Perak, Idris Shah II of Perak.