Last name Мартиньш (Mārtiņš 
, Мартиньш 
) , around the globe, is a very rare cognomen. The surname Мартиньш is characteristic of Northern Europe, particularly Latvia, where it is a rare surname. Much more frequently, Мартиньш is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Mārtiņš | Germany, Sweden, United Kingdom, Latvia, Lithuania |
| Мартиньш | Russia, Ukraine |