Family name Kanchana (กาญจนา 
, Kanchana 
, กาจญนา ) , in the entire world, is a common cognomen. The family name Kanchana is habitual in Sri Lanka, where it is quite a common surname, Thailand, where it is quite a rare surname, and Kuwait. Not in comparison with a country's population, this name is the most popular in Sri Lanka, Thailand, and India. Predominantly, Kanchana is the forename as well as the last name.
| VARIANT | COUNTRY |
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| กาจญนา, กัญชนะ, กาญจนา | Thailand |
| Kanchana | Malaysia, Thailand, India, Laos, Sri Lanka |
| v kanchana researcher |
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| janaka kanchana Sri Lankan Guinness world record, LK |
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| w g p kanchana researcher |
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| ama kanchana Sri Lankan cricketer, LK (b. 1991) |
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| dilshan kanchana cricketer, LK (b. 1995) |
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| dilini kanchana rugby player (b. 1995) |
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