Cognomen Litwak (Litwak 
) , throughout the world, is a rare family name. The family name Litwak is habitual in Belgium, where it is a rare surname, Argentina, and Hungary. Not in comparison with a country's population, it is commonest in the United States, Argentina, and Belgium. Much less frequently, Litwak is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Litwak | Germany, United States, Belgium, Poland, Argentina |
| israel litwak American painter, US (b. 1867) |
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| a. litwak (b. 1874) |
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| leo e. litwak American writer, US (b. 1924) |
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| eugene litwak American sociologist, US (b. 1925) |
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| jerzyk litwak holocaust victim, b. 1937, PL (b. 1937) |
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| robert litwak academic, US (b. 1953) |
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| mark litwak (b. 1951) |
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| sara litwak researcher |
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| howard litwak researcher |
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| aleksej litwak chess player (b. 1983) |
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| kenneth duncan litwak |
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Mr, Anna, Anne, Anya, Adam, Carl, Beth, Brad, Katy, Kira, Paul, Rosa, Rose, Riwa, Ruth, Rudy, Dani, Dave, Dawn, Gary, Gail, Glen, Alan, Saul, Sara, Meir, Ms, By, Ed, Max, Mia, Amy, Ben, Bob, Ken, Kim, Leon, Rut, Leo, Joe, Jim, Tal, Fay, Ira, Zak, Mary, Mark, Mona, Dan, and Lisa