Cognomen Knublauch (Knublauch 
) , around the world, is a very rare last name. The cognomen Knublauch is habitual in Germany, where it is a very rare surname, Netherlands, and the United Kingdom, where it is an extremely rare surname.
| VARIANT | COUNTRY |
|---|---|
| Knublauch | United Kingdom, Netherlands, United States, Germany |
| johann friedrich knublauch german judge and politician, DE (b. 1809) |
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| holger knublauch German software developer, DE (b. 1971) |
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