Cognomen Blocke (Блок 
, Blocke 
) , across the world, is quite a rare last name. The last name Blocke is habitual in Kazakhstan, where it is quite a rare surname, Belarus, where it is a rare surname, and Russia. Measured by absolute frequency, it is the most numerous in Russia, Kazakhstan, and Ukraine. Very seldom, Blocke is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Блок | Kazakhstan, Russia, Kyrgyzstan, Belarus, Ukraine |
| Blocke | Brazil, South Africa, United Kingdom, United States |
| willem van den blocke Flemish artist, BE (b. 1550) |
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| abraham van den blocke Gdansk architect, DE (b. 1572) |
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| izaak van den blocke Polish artist (1575-1626), PL (b. 1575) |
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| david van den blocke (b. 1588) |
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