Cognomen Em-On (Em-On 
) , around the globe, is an extremely rare last name. Much more prevalently, Em-On is the forename as well as the last name. Parts of the name also exists independently as a first name Em, and a first name On.
Kamano, Bartley, Ponkunt, Unjangwang, Kitpowsong, Rungthim, Leela-Amornrat, Pongstabhon, and Sittitanangkul