Cognomen Ом (Om 
, Ohm 
, Ом 
) , in the entire world, is a widespread family name. The last name Ом is characteristic of Bhutan, where it is a common surname, Oman, where it is quite a common surname, and Libya (explore the name in all countries). In absolute terms, it most frequently occurs in India, Egypt, and Germany. More prevalently, Ом is the forename as well as the last name.