Cognomen Rukmanis (Rukmanis 
) , in the world, is a rare surname. The last name Rukmanis is habitual in Latvia, where it is quite a rare surname, the United Kingdom, where it is a very rare surname, and the United States, where it is an extremely rare surname. Very seldom, Rukmanis is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rukmanis | United States, United Kingdom, India, Latvia |