Surname Uchnast (Uchnast 
) , globally, is a rare family name. The cognomen Uchnast is characteristic of Poland, where it is a rare surname, the United Kingdom, where it is an extremely rare surname, and the United States. More frequently, Uchnast is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Uchnast | United States, Poland, United Kingdom |
|
aleksander uchnast PL (b. 1849) |
|
| zenon uchnast (b. 1939) |
|
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| renata uchnast Polish association football player, PL (b. 1990) |
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