Cognomen أم أيمن (أم أيمن 
) , across the world, is a rare last name. The family name أم أيمن is habitual in Northern Africa, particularly Sudan, where it is a rare surname, Morocco, and Algeria, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in Northern Africa, particularly Sudan, Egypt, and Morocco. More frequently, أم أيمن is the forename as well as the last name.