Last name Moien (Morgan 
, Moien 
) , worldwide, is a widespread surname. The last name Moien is habitual in Jamaica, where it is a common surname, Saint Vincent and the Grenadines, and Jersey (explore the name in all countries). Measured by absolute frequency, it is commonest in the United States, Nigeria, and the United Kingdom. Also, Moien is the forename as well as the last name.