Last name Kiec (Kiec 
) , worldwide, is a rare cognomen. The cognomen Kiec is characteristic of Poland, where it is quite a rare surname, the United States, where it is a very rare surname, and Argentina. In absolute terms, it is commonest in Poland, the United States, and Brazil. Likewise, Kiec is the forename as well as the last name.
| feliks kiec (b. 1920) |
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| izolda kiec Polish polonist, specialist in literature and non-fiction writer, PL (b. 1965) |
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| olgierd kiec Polish historian, PL (b. 1965) |
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