Zoljenah (, named after Zuljanah; also known as Peykaap I or IPS-16) is a class of fast torpedo boat operated by the Navy of the Islamic Revolutionary Guard Corps. It is described a stealth craft whose unusual armament suggests a "ship-disabling role".
As of 2014, the boats are made available for export.
IPS-16 boats were purchased from North Korea in the early 2000s. The first six were reportedly delivered to Iran on 8 December 2002, aboard freighter Iran Meead. Iran then reverse engineered the boat and has been able to produce it domestically.
The ships have a standard displacement of . The class design is long, would have a beam of and a draft of . It uses one surface piercing propeller, powered by two diesel engines. This system was designed to provide for a top speed of .
Zoljenah-class boats are equipped with a 12.7mm machine guns, but their primary armament is two single 324mm torpedo tubes.