IRIS Nooh (also spelt Nuh[2] or Nouh; Persian: زیردریایی نوح, lit.

'Noah') is the second Kilo-class attack submarine of Islamic Republic of Iran Navy, serving in the Southern Fleet.

[3] Her keel was laid down at Admiralty Shipyard in Saint Petersburg in 1989.

[4] According to Jane's, there is no proof that the submarine has ever returned to Russia for a refit.

[1] As of September 2017, Nooh was under some major repairs by Iranian personnel in the naval factories.