Surname Kozielec (Kozielec 
) , around the globe, is a rare family name. The family name Kozielec is characteristic of Poland, where it is a rare surname, Canada, where it is a very rare surname, and the United States. More frequently, Kozielec is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Kozielec | Germany, United Kingdom, United States, Poland, Canada |
| wanda kozielec Polish Righteous Among the Nations, PL (b. 1918) |
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| tadeusz kozielec researcher |
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| zygmunt kozielec researcher |
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