Cognomen 강 (强 
, 刚 , 江 , among others...) , in the entire world, is a prevalent last name. The cognomen 강 is habitual in China, where it is a widespread surname, South Korea, and British Virgin Islands, where it is a common surname (explore the name in all countries). Not in comparison with a country's population, it is commonest in China, South Korea, and Malaysia. Likewise, 강 is the forename as well as the last name.
| VARIANT | COUNTRY |
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| 姜, 剛, 冈, 岡, 刚, 康, 彊, 江, 强, 強 | China |
| Gang, Kang | South Korea, Malaysia, United States, Indonesia, China |
| 강 | South Korea |
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강감찬 Korean gneral during Third Koryŏ–Khitan War, KR (b. 948) |
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| 강희안 Early Joseon scholar and painter (b. 1417) |
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강세황 Joseon Dynasty painter (1713-1791), KR (b. 1713) |
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| 강완숙 골롬바 korean martyr, catholic blessed, KR (b. 1761) |
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강우규 Korean physician and indepence activist (1855-1920), KP (b. 1855) |
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강석봉 Korean independence activist (1890-1956), KR (b. 1890) |
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강반석 Korean activist (1892-1932), KP (b. 1892) |
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강경옥 South Korean politician, KR (b. 1907) |
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강경애 Korean writer, novelist and poet, KP (b. 1907) |
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강건 Korean military leader, KR (b. 1918) |
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| 강일순 Founder of religion, KR (b. 1871) |
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강문봉 politician, KR (b. 1923) |
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강호륜 South Korean air force general officer, KR (b. 1925) |
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강대원 South Korean engineer, KR (b. 1931) |
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강신성일 South Korean actor, film director, producer, and former politician, KR (b. 1937) |
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