Family name Kretowicz (Kretowicz 
) , globally, is a rare cognomen. The family name Kretowicz is characteristic of Poland, where it is a rare surname, Argentina, where it is a very rare surname, and the United Kingdom. In absolute terms, this name is the most popular in Poland, the United States, and the United Kingdom. Likewise, Kretowicz is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Kretowicz | Germany, United States, United Kingdom, Poland, Argentina |
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chrystian mieczysław kretowicz major of the Polish Air Force, US (b. 1896) |
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| bronisław kretowicz PL (b. 1881) |
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| katarzyna kretowicz researcher |
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| wojciech kretowicz researcher |
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