Family name Могун (Mohun 
, Могун 
) , in the world, is quite a rare cognomen. The family name Могун is habitual in Mauritius, where it is a common surname, Ireland, where it is a rare surname, and South Africa. Measured by absolute frequency, it is commonest in Mauritius, South Africa, and the United States. Very seldom, Могун is the forename as well as the last name.