Last name Blech (Blacha 
, Blech 
, Pleh 
) , around the world, is quite a common family name. The cognomen Blech is characteristic of Bosnia and Herzegovina, where it is quite a rare surname, Germany, and Poland. Not in comparison with a country's population, the name is most common in Germany, Poland, and the United States. Likewise, Blech is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Blacha | Germany, United States, Poland, France, Israel |
| Blech | Germany, United States, Poland, France, Democratic Republic of the Congo |
| Pleh | Germany, Croatia, Bosnia and Herzegovina, United States, Myanmar |
| Блех | Kazakhstan, Russia, Ukraine, Belarus |
| ephraim philipp blech DE (b. 1757) |
|
|
| abraham friedrich blech PL (b. 1762) |
|
|
|
gustavus m. blech physician, surgeon, medical educator, US (b. 1870) |
|
|
leo blech German opera composer and conductor, DE (b. 1871) |
|
| karl blech PL (b. 1826) |
|
|
| ernst blech DE (b. 1846) |
|
|
| edward blech British diplomat and librarian (1861-1919) (b. 1861) |
|
|
| aimée blech French theosophist (1862-1930), FR (b. 1862) |
|
|
|
hans christian blech German actor (1915-1993), DE (b. 1915) |
|
| lila blech holocaust victim, b. 1867-01-01, DE (b. 1867) |
|
|
| charles blech (b. 1882) |
|
|
| jakub blech holocaust victim, b. 1898-04-15, CZ (b. 1898) |
|
|
| rené blech (b. 1900) |
|
|
| harry blech British conductor and musician, GB (b. 1910) |
|
|
| wolfgang blech CZ (b. 1904) |
|