Cognomen Omeru (Omero 
, Omeru 
) , all over the world, is quite a rare family name. The cognomen Omeru is habitual in Mexico, where it is quite a rare surname, Philippines, where it is a rare surname, and Venezuela. Measured by absolute frequency, it is the most numerous in Mexico, Philippines, and Nigeria. More prevalently, Omeru is the forename as well as the last name.