Family name Sup (Sup 
, จีบ 
, Суп 
) , in the entire world, is quite a rare last name. The cognomen Sup is characteristic of Eastern Europe, particularly Czechia, where it is quite a rare surname, Ukraine, and Belarus, where it is a rare surname. Not in comparison with a country's population, this name is the most popular in Indonesia, China, and Ukraine. Also, Sup is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Sup | South Korea, China, Indonesia, Myanmar, India |
| ทรูป, จีบ | Thailand |
| Суп | Belarus, Russia, Kazakhstan, Ukraine |
| karel sup Czech graphic and painter (1897-1973), CZ (b. 1897) |
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| sup yusup Indonesian comedian, ID (b. 1939) |
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| jan sup CZ (b. 1935) |
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| michal sup Czech ice hockey player, CZ (b. 1973) |
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| frank sup researcher |
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