Cognomen จ๊อก (Jog 
, Chok 
, Gjok 
) , all over the world, is a common last name. The cognomen จ๊อก is habitual in Malaysia, where it is quite a common surname, Macao, where it is quite a rare surname, and Brunei. Measured by absolute frequency, the name is most common in India, Malaysia, and Algeria. Likewise, จ๊อก is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jog | Nepal, Singapore, India, Indonesia, Malaysia |
| Chok | Taiwan, Nepal, India, Malaysia, Algeria |
| Gjok | Greece, Albania, Italy, United States, United Kingdom |