Cognomen Muhlbach (Muhlbach 
) , throughout the world, is a rare last name. The cognomen Muhlbach is habitual in Czechia, where it is a rare surname, Estonia, and Denmark. Measured by absolute frequency, the name is most common in the United States, Czechia, and Brazil. Much less frequently, Muhlbach is the forename as well as the last name.
| VARIANT | COUNTRY |
|---|---|
| Muhlbach | Brazil, Denmark, United States, Colombia, Czechia |
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don muhlbach American football player (born 1981), US (b. 1981) |
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| beau muhlbach college basketball player (2004–2008) Arizona; Texas A&M |
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| agnes von hirschfeld a.d.h. muhlbach |
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