Surname Humarr (Humar 
, Homar 
, Hummer 
) , around the world, is a common cognomen. The surname Humarr is habitual in Slovenia, where it is quite a common surname, Azerbaijan, and Austria. Measured by absolute frequency, it is commonest in the United States, Mexico, and Azerbaijan. Likewise, Humarr is the forename as well as the last name.