Family name ปรุงศักดิ์ (Cook 
, ปรุงศักดิ์ 
) , around the globe, is a widespread cognomen. The last name ปรุงศักดิ์ is habitual in Isle of Man, where it is a common surname, the United Kingdom, where it is quite a common surname, and Australia (explore the name in all countries). In absolute terms, the name is most common in the United States, the United Kingdom, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Cook | Australia, Canada, New Zealand, United Kingdom, United States |
| ปรุงศักดิ์ | Thailand |