Family name Wasko (Wasko 
, Васко 
, Waśko 
) , all around the world, is quite a rare last name. The family name Wasko is habitual in Poland, where it is quite a rare surname, the United States, where it is a rare surname, and Bulgaria. Measured by absolute frequency, it most frequently occurs in the United States, Poland, and Russia. Also, Wasko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Wasko | Poland, Canada, France, Germany, United States |
| Васко | Ukraine, Belarus, Russia, Kazakhstan, Bulgaria |
| Waśko | Poland, United Kingdom |
| joseph wasko French racing cyclist, FR (b. 1931) |
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| janet wasko (b. 1945) |
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| janet wasko (b. 1945) |
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| mike wasko American bobsledder, US (b. 1964) |
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| mary chester wasko researcher |
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| brian m wasko researcher (ORCID 0000-0002-7090-086X) |
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| jake wasko college basketball player (2009–2010) Maryland-Baltimore County |
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| joanna wasko researcher |
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| conrad wasko researcher (ORCID 0000-0002-9166-8289) |
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| pete wasko college basketball player (1992–1994) Rider |
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| adriane p wasko researcher |
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| marcin krzysztof wasko researcher |
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| sandy wasko |
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| wasko rothmann DE (b. 1985) |
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