Family name Słoński (Słoński 
, Слонский 
) , across the world, is a rare surname. The cognomen Słoński is habitual in Eastern Europe, particularly Belarus, where it is quite a rare surname, Poland, where it is a rare surname, and Russia, where it is a very rare surname.
| VARIANT | COUNTRY |
|---|---|
| Słoński | Poland |
| Слонский | Russia, Belarus, Kazakhstan |
| gabriel słoński PL (b. 1520) |
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edward słoński Polish poet and writer (1872-1926), PL (b. 1872) |
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| stanisław słoński Polish linguist, Slavic scholar (1879-1959), PL (b. 1879) |
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| czesław słoński Polish poet, PL (b. 1890) |
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| stefan słoński Polish architect, PL (b. 1912) |
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| marek słoński researcher (ORCID 0000-0001-8888-9112) |
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