Cognomen Heme (Hem 
, Heme 
, Hām 
) , all around the world, is a common family name. The last name Heme is habitual in Norway, where it is quite a common surname, Tunisia, and Algeria, where it is quite a rare surname. Measured by absolute frequency, it is the most numerous in Northern Africa, particularly Algeria, Tunisia, and Egypt. Much more frequently, Heme is the forename as well as the last name.