Cognomen ย้อม (Yom 
, Dye 
, ย้อม) , all over the world, is a common family name. The cognomen ย้อม is habitual in Guernsey, where it is quite a common surname, Jersey, and Israel, where it is quite a rare surname. Not in comparison with a country's population, it is commonest in the United States, the United Kingdom, and South Korea. Much less frequently, ย้อม is the forename as well as the last name.