Cognomen Whitehorn (Whitehorn 
, וייטהורן 
) , in all the world, is quite a rare surname. The last name Whitehorn is characteristic of Jamaica, where it is quite a rare surname, the United Kingdom, where it is a rare surname, and Australia. In absolute terms, it most frequently occurs in the United States, the United Kingdom, and South Africa.
| VARIANT | COUNTRY |
|---|---|
| Whitehorn | Canada, Australia, United States, United Kingdom, South Africa |
| וייטהורן | Israel |
Whitehorne, and Whitthorne
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joseph a. whitehorn American politician, US (b. 1879) |
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| john clare whitehorn American psychiatric educator, US (b. 1894) |
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laura whitehorn American activist and convicted terrorist, US (b. 1945) |
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geoff whitehorn English musician, GB (b. 1951) |
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jason whitehorn American singer-songwriter, US (b. 1976) |
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| katharine whitehorn British writer, GB (b. 1928) |
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| dean whitehorn (b. 1926) |
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| william whitehorn Chairman, Good Energy plc, since 2019 (Deputy Chairman, 2018–19); President, UKspace, since 2019 (b. 1960) |
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| will whitehorn Scottish businessman (b. 1960) |
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| mark whitehorn (b. 1953) |
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| noah danø whitehorn Danish architect (b. 1975) |
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| amy whitehorn Peerage person ID=143312 |
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| james whitehorn researcher |
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| george whitehorn Peerage person ID=718823 |
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| w. whitehorn Peerage person ID=143330 |
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