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Family name Tonis (Tonis
, Tõnis
, Тынис
) , in the world, is a rare cognomen. The cognomen Tonis is habitual in Estonia, where it is quite a rare surname, Honduras, and Greece, where it is a rare surname. Measured by absolute frequency, the name is most common in Mexico, Indonesia, and Honduras. Likewise, Tonis is the forename as well as the last name.