Cognomen Мартинек (Martynek 
, Martinek 
, Martínek ) , all around the world, is a common surname. The surname Мартинек is habitual in Czechia, where it is quite a common surname, Slovakia, and Austria, where it is quite a rare surname. In absolute terms, it is the most numerous in Czechia, the United States, and Germany. Very seldom, Мартинек is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Martynek | Poland, United States, Germany, Czechia, Slovakia |
| Martinek | United States, Germany, Czechia, Slovakia, Austria |
| Martínek | Slovakia, Czechia, United States |
| Мартинек | Russia, Ukraine |