The Airline of the Islamic Republic of Iran, branded as Iran Air, is the flag carrier of Iran, which is headquartered at Mehrabad Airport in Tehran. As of 2023, it operates scheduled services to 72 destinations in Asia and Europe. Iran Air's main bases are Imam Khomeini International Airport and Mehrabad International Airport, both serving Tehran, the capital of Iran. Domestically, Iran Air is commonly known as Homa, which is the name of a mythical Persian phoenix or griffin, and also the acronym of Iran National Airlines in the Persian language. The airline's cargo division, Iran Air Cargo, operates scheduled services internationally using one cargo aircraft.

A flag carrier is a transport company, such as an airline or shipping company, that, being locally registered in a given sovereign state, enjoys preferential rights or privileges accorded by the government for international operations.