Cognomen ต่อม (Tom 
, Gland 
, ต่อม) , across the world, is a widespread last name. The cognomen ต่อม is habitual in Vanuatu, where it is quite a common surname, Greenland, and Israel (explore the name in all countries). Measured by absolute frequency, it is the most numerous in Nigeria, the United States, and India. More frequently, ต่อม is the forename as well as the last name.