Surname Jaskowski (Jaskowski 
) , throughout the world, is quite a rare last name. The family name Jaskowski is characteristic of Poland, where it is quite a rare surname, Ireland, where it is a rare surname, and Czechia. Not in comparison with a country's population, it is commonest in Poland, the United States, and Germany. Likewise, Jaskowski is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Jaskowski | Germany, Czechia, United Kingdom, United States, Poland |
| friedrich jaskowski DE (b. 1887) |
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| arnold jaskowski PL (b. 1897) |
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| zbigniew jaskowski Polish association football player (1929-2006), PL (b. 1929) |
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| jedrzej m jaskowski researcher (ORCID 0000-0002-4676-7990) |
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