The Islamic Republic of Iran Navy is the maritime force of the Armed Forces of the Islamic Republic of Iran

Naval assets of Iran are split between the Navy and the naval section of the Army of the Guardians of the Islamic Revolution (IRGCN). In general the Navy operates the larger assets and operates in a ‘conventional navy’ model, whereas the IRGCN operates smaller craft in an ‘Asymmetrical’ doctrine.
The IRI Navy is equipped with vessels purchased from the west before the 1979 revolution, but it also started procuring from China and North Korea, and even locally produced craft.

The IRI Navy has about 18,000 personnel and the IRGCN has 20,000 personnel. The IRI Navy fleet consists of 3 Diesel submarines and 4 medium/large size suface ships.
The IRGCN fleet consists of more than 100 small fighting vessels.