Cognomen Kosil (Kosil 
) , around the globe, is a very rare surname. The cognomen Kosil is characteristic of Israel, where it is a very rare surname, Malaysia, where it is an extremely rare surname, and Nigeria. Measured by absolute frequency, the name is most common in India, Nigeria, and Israel. More prevalently, Kosil is the forename as well as the last name.
| vladimír kosil CZ (b. 1898) |
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| j. v. kosil (b. 1944) |
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