Cognomen Jecko (Jecko 
) , across the world, is a rare family name. The family name Jecko is habitual in Slovakia, where it is a rare surname, France, and Indonesia, where it is a very rare surname. Measured by absolute frequency, it is the most numerous in Indonesia, France, and the United States. Likewise, Jecko is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Jecko | Philippines, France, Slovakia, United States, Indonesia |
| tim jecko American swimmer, US (b. 1938) |
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| stephen h. jecko US (b. 1940) |
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| thierry jecko Ph.D. Université de Nantes 1996, FR |
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| vincent jecko researcher |
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| jecko thachil British doctor |
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| jessica jecko American field hockey player, US (b. 1994) |
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