Surname Gnau (Gnau 
) , globally, is a rare last name. The surname Gnau is habitual in Germany, where it is a rare surname, the United States, and New Zealand.
| VARIANT | COUNTRY |
|---|---|
| Gnau | Germany, United States, Thailand, India, New Zealand |
| ewald gnau German botanist (1853-1943), DE (b. 1853) |
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| dorothea gnau DE (b. 1971) |
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| ulrich gnau |
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Mr, Russ, Ruth, Darl, Doug, Greg, Leah, Lori, Josh, John, Joan, Jeff, Judy, Tara, Nick, Eric, Emma, Marty, Molly, Megan, Micah, Sandy, Rose, Rosa, Paul, Kyle, Ms, Ed, Amy, Ava, Bob, Ken, Ron, Dan, Tim, Marc, Sarah, Mary, Matt, Mali, Sara, Sean, Alan, Anna, Anne, Adam, Cait, Karl, Mark, and Shawn