Cognomen Montsch (Montsch 
) , all around the world, is a rare family name. The last name Montsch is characteristic of Israel, where it is a rare surname, Germany, and Canada, where it is an extremely rare surname. Not in comparison with a country's population, it is commonest in Germany, Israel, and the United States.
| VARIANT | COUNTRY |
|---|---|
| Montsch | Germany, Canada, Israel, United States |