Surname Langhout (Langhout 
) , in all the world, is a rare family name. The last name Langhout is habitual in Netherlands, where it is quite a rare surname, North Macedonia, where it is a rare surname, and Belgium. Measured by absolute frequency, the name is most common in Netherlands, the United States, and Indonesia.
| VARIANT | COUNTRY |
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| Langhout | Netherlands, Belgium, Indonesia, United States, North Macedonia |
| willem langhout Dutch architect, NL (b. 1850) |
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| gerard johan langhout (b. 1879) |
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| ernst langhout Dutch singer, NL (b. 1956) |
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| regina d langhout researcher (ORCID 0000-0001-9607-8539) |
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| gerrit. c. langhout researcher |
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| martine van zijll langhout researcher |
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| rob langhout researcher |
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| eric langhout |
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