Family name Gjersøe (Gjersøe 
) , all around the world, is a very rare cognomen. The surname Gjersøe is characteristic of Northern Europe, particularly Norway, where it is a rare surname, and Denmark.
| per gjersøe Norwegian actor, NO (b. 1908) |
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| sigurd gjersøe (b. 1900) |
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| gregers gjersøe (b. 1957) |
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| ann-christin gjersøe Norwegian writer (b. 1975) |
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| andreas gjersøe Norwegian canoeist, NO (b. 1976) |
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