Family name Kustár (Kustár 
) , across the world, is an extremely rare last name. The family name Kustár is habitual in Eastern Europe, particularly Hungary, where it is a very rare surname. Likewise, Kustár is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kustár | Hungary |
| kustár péter Hungarian reformed pastor, theologian (1938-1987), HU (b. 1938) |
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| kustár zsuzsa Hungarian artist (1942-2014), HU (b. 1942) |
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| kustár zoltán HU (b. 1968) |
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