The Islamic Republic of Iran Navy or Iranian Navy, officially abbreviated NEDAJA, is the naval warfare service branch of Iran's regular military, the Islamic Republic of Iran Army (Artesh). It is one of Iran's two maritime military branches, alongside the Navy of the Islamic Revolutionary Guard Corps (IRGC).

The Islamic Republic of Iran Army, acronymed AJA, simply known as the Iranian Army or the Artesh, is the conventional military of Iran and part of the Islamic Republic of Iran Armed Forces. It is tasked to protect the territorial integrity of the country from external and internal threats and to project power.