Surname Ругин (Rugin 
, Ругин 
, Rougine 
) , all over the world, is a rare family name. The cognomen Ругин is characteristic of Latvia, where it is quite a rare surname, Bulgaria, where it is a rare surname, and Italy, where it is a very rare surname. Not in comparison with a country's population, it is the most numerous in Russia, Italy, and Latvia. Likewise, Ругин is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Rugin | Philippines, India, Brazil, Italy, Malaysia |
| Ругин | Kyrgyzstan, Kazakhstan, Russia |
| Rougine | United States |
| Rugins | Latvia, Australia |
| ругин, роман прокопьевич Russian writer, RU (b. 1939) |
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| ругин, ритвар Latvian association football player, LV (b. 1989) |
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