Last name Upatnieks (Upatnieks 
) , in the world, is a very rare surname. The family name Upatnieks is habitual in Latvia, where it is quite a rare surname, Canada, where it is an extremely rare surname, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Upatnieks | Canada, Latvia, United States |
| rolands upatnieks Latvian luger, LV (b. 1932) |
|
|
| juris upatnieks United States physicist, US (b. 1936) |
|
|
| gunars upatnieks Latvian musician, LV (b. 1983) |
|