Surname 楚 (楚 
, Trew 
, 초 
) , globally, is a widespread last name. The last name 楚 is habitual in China, where it is quite a common surname, Australia, where it is quite a rare surname, and Lithuania. Not in comparison with a country's population, it is the most numerous in China, the United Kingdom, and the United States. Very seldom, 楚 is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| 楚 | China |
| Trew | Canada, Australia, United States, United Kingdom, China |
| 초 | South Korea |
| 楚青 Chinese politician, CN (b. 1923) |
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| 项楚 Chinese linguist, CN (b. 1940) |
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| 蔡楚 CN (b. 1945) |
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| 张楚 Chinese musician, CN (b. 1968) |
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| 胡楚 Song dynasty person CBDB = 118237, MO |
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| 楚金玲 Chinese beach volleyball player, CN (b. 1984) |
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| 王楚 association football player, CN (b. 1991) |
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