Family name Cotran (Cotran 
) , throughout the world, is a rare surname. The last name Cotran is habitual in Switzerland, where it is a rare surname, New Zealand, and Canada, where it is a very rare surname. Measured by absolute frequency, the name is most common in the United States, the United Kingdom, and Canada. Likewise, Cotran is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Cotran | United Kingdom, Switzerland, United States, Canada, Democratic Republic of the Congo |
| taufik cotran British judge (1926-2007) (b. 1926) |
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| eugene cotran British judge, GB (b. 1938) |
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| ramzi cotran (b. 1932) |
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