Family name Ewan (Ewan 
, ايوان 
, ユアン 
, and others...) , across the world, is quite a common surname. The family name Ewan is characteristic of Jamaica, where it is quite a common surname, Brunei, where it is quite a rare surname, and Malaysia. Not in comparison with a country's population, the name is most common in the United States, the United Kingdom, and Malaysia. More prevalently, Ewan is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Ewan | Indonesia, United Kingdom, Australia, Malaysia, United States |
| ايوان | Egypt, Palestinian Territory, Iraq, Iran |
| ユアン | Japan |
| Юэн, Эван | Kyrgyzstan, Russia |
| อีวาน | Thailand |
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james ewan (1843-1903) financier (b. 1843) |
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| john alexander ewan Canadian biographer, CA (b. 1854) |
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| nathaniel r. ewan American historian and photographer, US (b. 1870) |
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| frances ewan English illustrator (1870-1965), GB (b. 1870) |
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| elizabeth latto ewan The first female GP in Aberdeen, Scotland, GB (b. 1875) |
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| william ewan Australiabn politician, AU (b. 1903) |
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| joseph andorfer ewan American botanist (1909–1999), US (b. 1909) |
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| william john strachan ewan b.5 September 1913 d.10 February 1981 (b. 1913) |
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| g. t. ewan physicist (1927-2020), GB (b. 1927) |
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caleb ewan Australian road and track bicycle racer, AU (b. 1994) |
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| pamela ewan British allergist, GB (b. 1945) |
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| elizabeth ewan historian (b. 1950) |
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| christine e. ewan (b. 1948) |
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| gregor ewan British wheelchair curler, GB (b. 1971) |
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| chris ewan British writer, GB (b. 1976) |
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