Surname Kleč (Kleč 
) , all over the world, is a very rare family name. The cognomen Kleč is habitual in Southern Europe, particularly Slovenia, where it is a rare surname.
| alexander kleč Czechoslovak member of Czechoslovak national parliament and slovak nation politician (b. 1907) |
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| radoslav kleč SI (b. 1907) |
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| milan kleč SI (b. 1954) |
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