Cognomen ขม (Khom 
, Bitter 
, ขม 
) , all around the world, is a common last name. The family name ขม is habitual in Antigua and Barbuda, where it is quite a common surname, Germany, where it is quite a rare surname, and Hungary. Not in comparison with a country's population, this name is the most popular in Germany, the United States, and India. Much less frequently, ขม is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Khom | Germany, Austria, United States, India, Myanmar |
| Bitter | Germany, United States, India, Myanmar, Netherlands |
| ขม | Thailand |