Surname Rubulis (Rubulis 
) , around the globe, is a rare last name. The cognomen Rubulis is characteristic of Latvia, where it is quite a rare surname, New Zealand, where it is a very rare surname, and Australia. Not in comparison with a country's population, the name is most common in Latvia, Australia, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Rubulis | Latvia, New Zealand, Australia, United States |
| vladislavs rubulis Latvian politician (1887-1937), LV (b. 1887) |
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| jānis rubulis Latvian politician, LV (b. 1893) |
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| jezups rubulis Latvian politician, LV (b. 1898) |
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| aleksis rubulis LV (b. 1922) |
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| jānis rubulis researcher |
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