Cognomen Ohmar (Ohmar 
) , throughout the world, is quite a rare family name. The surname Ohmar is habitual in South-eastern Asia, particularly Myanmar, where it is quite a rare surname, Singapore, where it is a rare surname, and Indonesia, where it is a very rare surname. Measured by absolute frequency, the name is most common in Myanmar, Indonesia, and Mexico. More frequently, Ohmar is the forename as well as the last name.