Family name Clendenen (Clendenen 
) , in the entire world, is quite a rare surname. The cognomen Clendenen is habitual in the United States, where it is a rare surname, New Zealand, and Canada, where it is a very rare surname.
| VARIANT | COUNTRY |
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| Clendenen | New Zealand, Brazil, United States, Canada |
| clarence c. clendenen American historian, US (b. 1899) |
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mike clendenen American-football player, US (b. 1963) |
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| jim clendenen American winemaker, US (b. 1953) |
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| avis clendenen religious studies professor |
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| steven r clendenen researcher (ORCID 0000-0003-4363-4794) |
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| tess v clendenen researcher |
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| e. ray clendenen |
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