Family name Loftsson (Loftsson 
) , across the world, is a rare cognomen. The cognomen Loftsson is characteristic of Iceland, where it is quite a common surname, Luxembourg, where it is quite a rare surname, and Sweden, where it is a rare surname.
| VARIANT | COUNTRY |
|---|---|
| Loftsson | Sweden, Iceland, Luxembourg, United Kingdom, Denmark |
| jón loftsson Icelandic chieftain (1124-1197), IS (b. 1124) |
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| þorvarður loftsson (b. 1410) |
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| kristján loftsson (b. 1943) |
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| hrafn loftsson researcher |
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| thorsteinn loftsson researcher |
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| jón loftsson |
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| ormur loftsson |
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| jón loftsson |
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| ólafur loftsson |
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| þorlákur loftsson |
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| ólafur björn loftsson IS (b. 1987) |
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