Surname Dienhart (Dienhart 
) , in the world, is a rare last name. The family name Dienhart is characteristic of Germany, where it is a rare surname, Austria, and the United States, where it is a very rare surname. Not in comparison with a country's population, the name is most common in Germany, the United States, and Poland.
| VARIANT | COUNTRY |
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| Dienhart | Austria, Canada, Poland, Germany, United States |
| johann peter maria ewald dienhart (1902-1987) (b. 1902) |
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| ewald dienhart German winemaker, DE (b. 1902) |
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| john m. dienhart (b. 1939) |
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| mark dienhart American football player and coach, track and field athlete and coach, college athletics administrator, US (b. 1953) |
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Mr, Ralf, Reid, Ruth, Ryan, Dawn, Dirk, Drew, Gary, Gabi, Paul, Josh, Jean, Jeff, Eric, Hans, Vida, Maria, Marie, Molly, Myrna, John, Barb, Cody, Chad, Ms, Ed, Ann, Amy, Peg, Pio, Dan, Lou, Lyn, Tom, Tim, Mary, Mark, Mara, Matt, Mona, Mick, Mike, Anna, Anne, Adam, Sarah, and Shawn