Khaz'al bin Jabir bin Merdaw al-Ka'bi (Arabic: ???? ?? ???? ?? ????? ???????? Persian: ??? ?????) (18 August 1863 – 24 May 1936), Muaz us-Sultana, and Sardar-e-Aqdas (Most Sacred Officer of the Imperial Order of the Aqdas), was the Emir of Arabistan from the Kasebite clan of the Banu Ka'b, to which he is also the Emir (or the "Sheikh ul-Mshayikh"), the Overlord of the Mehaisan tribal confederation and the Sardar of the Shatt al-Arab.
He was the fifth and youngest son of Haji Jabir Khan Ibn Merdaw, and his mother, Sheikha Noura, was the daughter of Talal Bin Alwan, the Sheikh of the powerful Bawi tribe.
He was born on 18 August 1863, in the village Qout Al Zain in the district of Abu Khasib in Basra and he ascended to the throne on 2 June 1897 upon the death of his brother and predecessor, Sheikh Miz'al Khan ibn Haji Jabir Khan.