The Assistant Chief of the Naval Staff (ACNS) are several important senior military appointments in the Pakistan Navy and are the second in command (S-in-C) of their respective branch and these appointments are held by senior officers of Commodore rank and are reporting and functioning directly under their respective Deputy Chief of the Naval Staff (DCNS) who are the branch and principle staff commanders.

Assistant Chief of the Naval Staff
Flag of the Assistant Chief of the Naval Staff
Abbreviation	ACNS
Seat	Naval Headquarters (NHQ) Islamabad, Pakistan
Nominator	Deputy Chief of the Naval Staff (DCNS)
Appointer	Chief of the Naval Staff (CNS)
Formation	3 March 1972; 52 years ago (1972-03-03)
Succession	Subjected to the decision of the Chief of the Naval Staff of the Pakistan Navy.
Unofficial names	Assistant Naval Chief
Salary	According to Pakistan Military officer's Pay Grade(BPS-20)
Website	Official website