Cognomen Riefkohl (Riefkohl 
) , in the world, is a rare surname. The cognomen Riefkohl is habitual in Latin America and the Caribbean, particularly Puerto Rico, where it is quite a rare surname, Bolivia, where it is a rare surname, and Mexico, where it is a very rare surname. In absolute terms, it is commonest in Bolivia, the United States, and Mexico. Much less frequently, Riefkohl is the forename as well as the last name.
| VARIANT | COUNTRY |
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| Riefkohl | Bolivia, Mexico, Colombia, United States, Puerto Rico |
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rudolph william riefkohl United States Army officer, US (b. 1885) |
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frederick lois riefkohl United States Navy admiral and Navy Cross recipient, US (b. 1889) |
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william riefkohl Puerto Rican businessman, US (b. 1939) |
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| rafael bernabe riefkohl politician, US (b. 1959) |
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| alejandro riefkohl researcher |
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Mr, Keith, Paula, Rocio, David, Donna, Laura, Jorge, Nancy, Elena, Erwin, Frank, Monica, Miriam, Sabine, Sigrid, Stella, Andres, Amparo, Carlos, Callan, Baughn, Kelly, Karen, Karin, Clint, Pam, Zoe, Matt, Rosa, Roxy, Lily, Liza, Luis, Jose, Jean, Krysta, Juan, Hans, Iris, Olga, Otto, Maria, Megan, Alvia, Chris, Carol, Cammy, Erik, and Rafael