Last name Kanja (Kanja 
, Каня 
, Канжа ) , across the world, is a common family name. The surname Kanja is habitual in Sub-Saharan Africa, particularly Kenya, where it is quite a common surname, Zambia, where it is quite a rare surname, and Tanzania. Much less frequently, Kanja is the forename as well as the last name.
| katharina kanja (1892-1973) (b. 1892) |
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kanja odland Buddhist priestess, SE (b. 1963) |
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| kanja ibrahim sesay Sierra Leonean activist, SL (b. 1955) |
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| kanja sanneh politician, GM (b. 1958) |
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| britt kanja DE (b. 1950) |
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| claire kanja researcher |
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| david muchoki kanja |
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