Last name Grycko (Grycko 
) , around the globe, is a rare cognomen. The family name Grycko is habitual in Poland, where it is a rare surname, Canada, where it is a very rare surname, and Netherlands. Measured by absolute frequency, it is commonest in Poland, the United States, and Canada. Also, Grycko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Grycko | Canada, Poland, United States, Argentina, Germany |
| eugen grycko Dr. rer. nat. Fernuniversität Hagen 1991 (b. 1958) |
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| tomasz grycko Polish sportsperson and athletics competitor, PL (b. 1992) |
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