All over the world, Koirun (Koirun 
, Койрун 
) is a rare largely masculine, but uncommonly girly forename. The first name Koirun is characteristic of Georgia, where it is quite a rare male name, Indonesia, where it is a very rare masculine name, and Russia. In absolute terms, it is commonest in Indonesia, Georgia, and India. Very seldom, Koirun is the last name as well as the forename.