Around the world, Rostislavas (Rostislavas 
) is a very rare boy's first name. The given name Rostislavas is characteristic of Northern Europe, particularly Lithuania, where it is a rare boy's name.
| VARIANT | COUNTRY |
|---|---|
| Rostislavas | Lithuania, United Kingdom |
| rostislavas andrejevas Lithuanian singer, LT (b. 1907) |
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| rostislavas baublys (b. 1909) |
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| rostislavas krotas (b. 1916) |
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