Family name Olesko (Olesko 
, Олесько 
) , globally, is a rare cognomen. The cognomen Olesko is habitual in Estonia, where it is quite a rare surname, Austria, where it is a rare surname, and Belarus. Not in comparison with a country's population, it most frequently occurs in the United States, Ukraine, and Austria. Also, Olesko is the forename as well as the last name.
| kathryn mary olesko American historian of science (b. 1951) |
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| jerry olesko college basketball player (1951–1953) Detroit Mercy |
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| pat olesko |
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