Surname Wettach (Wettach 
) , worldwide, is a rare last name. The family name Wettach is characteristic of Western Europe, particularly Switzerland, where it is quite a rare surname, Germany, where it is a rare surname, and Austria. Measured by absolute frequency, it is the most numerous in Germany, Switzerland, and the United States. Much less frequently, Wettach is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Wettach | Belgium, Austria, Germany, United States, Switzerland |
| heinrich wettach Austrian painter and musician, AT (b. 1858) |
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| clara wettach Swiss author (1888-1979), CH (b. 1888) |
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| robert hasley wettach dean of the School of Law at the University of North Carolina at Chapel Hill, US (b. 1891) |
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| reinhard wettach (1898–1976), SI (b. 1898) |
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| dolores wettach actress and model, US (b. 1937) |
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| jimmy wettach CH (b. 1953) |
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| adrian wettach |
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Mr, Lacy, Lena, Lisa, Lynn, Jane, John, Jody, Jeff, Juan, Tara, Tisa, Hope, Marco, Molly, Megan, Sarah, Shari, Silke, Sonja, Scott, Alice, Gary, Rita, Reto, Rose, Ms, Ed, Max, Meg, Sam, Rob, Gil, Jay, Jon, Zoe, Alain, Urs, Mary, Mark, Mimi, Alan, Anna, Adam, Barb, Bill, Paul, Phil, Marc, and Carol