Cognomen Tontchev (Tontchev 
) , around the globe, is a rare last name. The surname Tontchev is habitual in Bulgaria, where it is a rare surname, Switzerland, and Norway, where it is a very rare surname. Measured by absolute frequency, it most frequently occurs in Bulgaria, Switzerland, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Tontchev | Germany, Greece, Switzerland, Bulgaria, United States |
| nikolay tontchev Ph.D. Universität Bern 2007 |
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| lena tontchev DE |
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