Cognomen Slettemark (Slettemark 
) , globally, is a rare surname. The family name Slettemark is characteristic of Norway, where it is quite a rare surname, Argentina, where it is a very rare surname, and Brazil, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Slettemark | Brazil, Norway, Argentina |
| simon slettemark Norwegian teacher (1855-1930) (b. 1855) |
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kjartan slettemark Norwegian artist (1932-2008), SE (b. 1932) |
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| aasbjørn slettemark (b. 1890) |
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asbjørn slettemark Norwegian journalist, NO (b. 1975) |
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| uiloq slettemark Greenlandic biathlete, DK (b. 1965) |
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| øystein slettemark Greenlandic biathlete, BR (b. 1967) |
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| guro slettemark (b. 1965) |
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| ukaleq slettemark Greenlandic biathlete, NO |
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