Cognomen Gumar (Гумар 
, Gomar 
, Gumar 
) , throughout the world, is quite a common last name. The last name Gumar is habitual in Guatemala, where it is quite a rare surname, El Salvador, and Spain. Not in comparison with a country's population, it is commonest in Mexico, India, and Spain. Also, Gumar is the forename as well as the last name.