Surname Kotarak (Kotarak 
) , across the world, is a rare cognomen. The surname Kotarak is habitual in Poland, where it is a rare surname, Thailand, where it is a very rare surname, and the United States. In absolute terms, this name is the most popular in Poland, the United States, and India. Likewise, Kotarak is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kotarak | Thailand, Poland, United States, India |