Family name Herlofson (Herlofson 
) , across the world, is a rare cognomen. The last name Herlofson is characteristic of Norway, where it is quite a rare surname, Denmark, where it is a very rare surname, and the United States, where it is an extremely rare surname. Much less frequently, Herlofson is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Herlofson | Norway, United States, Denmark, United Kingdom |
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axel nicolai herlofson NO (b. 1845) |
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harald herlofson Norwegian rower (1887-1957), NO (b. 1887) |
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charles herlofson Norwegian footballer (1891-1968), NO (b. 1891) |
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| nicolai b. herlofson Norwegian politician (b. 1876) |
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| pierre herlofson French architect (1877-1969), FR (b. 1877) |
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| charles oluf herlofson Norwegian military personnel, NO (b. 1916) |
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| nicolai herlofson Norwegian university teacher (1916-2004), NO (b. 1916) |
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| toni herlofson Norwegian choreographer and dancer (b. 1950) |
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| karen herlofson researcher |
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| k. herlofson researcher |
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