Cognomen Otrin (Otrin 
) , worldwide, is a rare surname. The cognomen Otrin is characteristic of Slovenia, where it is quite a rare surname, Croatia, where it is a rare surname, and Israel, where it is a very rare surname. Measured by absolute frequency, the name is most common in Slovenia, the United States, and Germany.
| VARIANT | COUNTRY |
|---|---|
| Otrin | Germany, China, Croatia, United States, Slovenia |
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iko otrin SI (b. 1931) |
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gašper otrin SI (b. 1983) |
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| lado otrin researcher |
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| jaš otrin SI |
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| zoran otrin SI |
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| jana otrin SI |
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| andrej otrin SI |
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| blaž otrin SI |
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| aleksander otrin SI |
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| miha otrin SI |
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