Last name Ruthrauff (Ruthrauff 
) , throughout the world, is a rare cognomen. The surname Ruthrauff is habitual in the United States, where it is a very rare surname, New Zealand, and Canada, where it is an extremely rare surname.
| VARIANT | COUNTRY |
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| Ruthrauff | United Kingdom, New Zealand, United States, Canada |
| william m. ruthrauff American football player and coach (1884–1969), US (b. 1884) |
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| john m. ruthrauff American university president |
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| daniel r. ruthrauff researcher |
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Ms, Gary, Glen, Leon, Lisa, Lynn, Jace, Jake, John, Jeri, Jeff, Judy, Troy, Nick, Nell, Eric, Erik, Erma, Herb, Will, Mendy, Micah, Dirk, Misty, Dana, Rick, Sam, Amy, Kim, Rod, Dan, Lee, Joe, Jim, Ned, Ila, Mary, Mark, Seth, Sean, Alex, Anne, Carl, Cody, Brad, Karl, Kyle, Ryan, and Stacy