Family name Slettjord (Slettjord 
) , throughout the world, is a very rare last name. The family name Slettjord is characteristic of Northern Europe, particularly Norway, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Slettjord | Norway |
| skjalg slettjord Norwegian manager (b. 1925) |
|
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| arnljot slettjord Norwegian telegraphist (b. 1928) |
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