Surname Цоок (Cook 
, Цоок 
, Tsook 
) , around the world, is a widespread last name. The family name Цоок 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). Measured by absolute frequency, it is the most numerous in the United States, the United Kingdom, and Australia.
| VARIANT | COUNTRY |
|---|---|
| Cook | United Kingdom, Australia, United States, Canada, New Zealand |
| Цоок | Russia |
| Tsook | Israel, United States |