Cognomen Prno (Prno 
) , in the world, is a rare family name. The cognomen Prno is characteristic of Slovakia, where it is quite a rare surname, Canada, where it is an extremely rare surname, and the United States. Much less frequently, Prno is the forename as well as the last name.
| ignác prno (b. 1934) |
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| jozef prno association football player (b. 1947) |
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