Last name Kettwig (Kettwig 
) , across the world, is a rare cognomen. The family name Kettwig is characteristic of Germany, where it is a rare surname, Poland, where it is a very rare surname, and Switzerland. Measured by absolute frequency, the name is most common in Germany, the United States, and Poland.
| VARIANT | COUNTRY |
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| Kettwig | Germany, Switzerland, Canada, United States, Poland |
| wolfgang kettwig (b. 1450) |
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| mentetus kettwig 1674-1733; geb. in Leer; Jurist, Advokat in Ostfriesland; Not found in: LoC-NA (b. 1674) |
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| jason kettwig American politician, US (b. 1974) |
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| kurt kettwig (b. 1967) |
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| günter kettwig Dr. rer. nat. Universität Leipzig 1977 |
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| matthias kettwig researcher ORCID ID = 0000-0003-4804-7716 |
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| andreas kettwig DE |
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Mr, Gary, Gene, Lars, Lisa, Lori, Lutz, Lynn, Jana, John, Jeff, Todd, Eric, Erin, Hans, Maren, Megan, Shana, Shawn, Silke, Susan, Angel, Ryan, Anola, Rita, Paul, Ms, Amy, Kay, Ken, Ron, Dan, Jan, Jim, Tom, Uwe, Mary, Mike, Sara, Anna, Cody, Curt, Beth, Kurt, Kris, Kyle, Knut, Rose, and Bette