Family name Irji (Irji 
, Иржи 
) , all over the world, is a very rare last name. The family name Irji is habitual in Indonesia, where it is a very rare surname, Thailand, where it is an extremely rare surname, and Nigeria. Measured by absolute frequency, the name is most common in Indonesia, India, and Nigeria. More prevalently, Irji is the forename as well as the last name.