Cognomen ประเคน (Offer 
, ประเคน 
, Prakhen 
) , globally, is quite a rare last name. The family name ประเคน is habitual in Hong Kong, where it is quite a rare surname, the United Kingdom, and Germany. In absolute terms, it is the most numerous in Germany, the United Kingdom, and the United States. Very seldom, ประเคน is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Offer | Germany, Bangladesh, United States, Myanmar, United Kingdom |
| ประเคน | Thailand |
| Prakhen | India, Thailand |
Prakairath, and Praken