Cognomen เจตน (Chetana 
, เจตน 
) , all over the world, is a rare surname. The family name เจตน is characteristic of Canada, where it is a very rare surname, Cambodia, and India. Not in comparison with a country's population, it is commonest in India, the United States, and Canada. Much more prevalently, เจตน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Chetana | Taiwan, Nepal, Laos, United States, India |
| เจตน | Thailand |