All over the world, Jarþrúður (Jarþrúður 
) is an extremely rare unknown gender given name.
| VARIANT | COUNTRY |
|---|---|
| Jarþrúður | Iceland |
| jarþrúður jónsdóttir Icelandic editor and publisher (b. 1851) |
|
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| jarþrúður karlsdóttir IS (b. 1979) |
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| jarþrúður jónsdóttir IS |
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Jónsdóttir, and Þórarinsdóttir