Last name Iffert (Iffert 
) , globally, is a rare surname. The cognomen Iffert is habitual in Germany, where it is a rare surname, the United States, where it is a very rare surname, and Spain. In absolute terms, the name is most common in Germany, the United States, and Brazil.
| VARIANT | COUNTRY |
|---|---|
| Iffert | Germany, Spain, Thailand, United States, Brazil |
| august iffert German singer and music educator, DE (b. 1859) |
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| john iffert US Roman Catholic bishop, US (b. 1967) |
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Mr, Gina, Lars, Lena, Leda, Lisa, Jane, Jack, Jose, John, Dana, Joan, Joey, Elke, Evan, Igor, Maria, Marie, Susan, Steve, Anita, Joao, Ryan, Rudi, Ralf, Ms, Sue, Ari, Kym, Ray, Don, Jim, Eli, Mary, Mike, Sven, Anni, Adam, Chad, Cory, Curt, Burt, Bill, Karl, Paul, Pete, Carol, and Cathy