Last name โอห์ม (Om 
, Ohm 
, โอห์ม 
) , in the entire world, is a widespread cognomen. The family name โอห์ม is habitual in 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 frequently, โอห์ม is the forename as well as the last name.