Last name Castens (Castens 
) , throughout the world, is a rare family name. The family name Castens is habitual in Germany, where it is a rare surname, Netherlands, and Australia. Measured by absolute frequency, it most frequently occurs in Germany, the United States, and Netherlands.
| VARIANT | COUNTRY |
|---|---|
| Castens | Germany, United Kingdom, Australia, United States, Netherlands |
| moritz castens (b. 1692) |
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herbert hayton castens South African rugby union footballer (1864-1929), ZA (b. 1864) |
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| gerhard castens |
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| petter castens SE |
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| kevin castens |
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Mr, Bert, Beth, Bill, Kyle, Rose, Rene, Dale, Daan, Gary, Lisa, John, Jenn, Tara, Toni, Troy, Nate, Neal, Edna, Eric, Maria, Marty, Cole, Marco, Cora, Sven, Ms, Ti, Mae, Mia, Sue, Ann, Amy, Ben, Pam, D A, Geo, Lee, Lou, Tai, Til, Hal, Uwe, Mary, Matt, Sara, Seth, Anne, and Marek