Cognomen Ladefoged (Ladefoged 
) , throughout the world, is quite a rare family name. The family name Ladefoged is habitual in Denmark, where it is quite a common surname, Norway, where it is a rare surname, and Switzerland. Measured by absolute frequency, it is commonest in Denmark, the United States, and the United Kingdom.
| VARIANT | COUNTRY |
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| Ladefoged | Denmark, Canada, Norway, United Kingdom, United States |
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peter ladefoged British phonetician, GB (b. 1925) |
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| alfred ladefoged Danish sprinter (b. 1909) |
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| kjeld ladefoged (b. 1913) |
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| hanne ladefoged Danish handball player (b. 1938) |
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| joachim ladefoged Danish photographer (b. 1970) |
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| tine ladefoged Danish handball player (b. 1977) |
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| lucy kate ladefoged researcher ORCID ID = 0000-0003-3832-7781 |
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| thegn ladefoged researcher, ORCID id # 0000-0002-6950-9898 |
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| niels ladefoged |
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| karin ladefoged |
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