Cognomen Upmanis (Upmanis 
) , across the world, is a rare last name. The family name Upmanis is habitual in Latvia, where it is quite a rare surname, Estonia, where it is a rare surname, and Canada, where it is a very rare surname. In absolute terms, the name is most common in Latvia, the United States, and the United Kingdom.
| VARIANT | COUNTRY |
|---|---|
| Upmanis | Latvia, United Kingdom, United States, Estonia, Canada |