Family name Jąder (Jąder 
) , in the world, is a rare last name. The last name Jąder is characteristic of Eastern Europe, particularly Poland, where it is a rare surname.
| zbigniew jąder Polish speedway rider, PL (b. 1943) |
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| bernard jąder Polish speedway rider, PL (b. 1951) |
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| paweł jąder Polish speedway rider, PL (b. 1972) |
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| maciej jąder Polish speedway rider, PL (b. 1978) |
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