{{wiktionary|Karstens}} '''Karstens''' is a surname. Notable people with the surname include:
*Jeff Karstens (born 1982), American baseball pitcher *Harry Karstens (1878–1955), American mountaineer *George Karstens (1924–2002), American football player *Gerben Karstens (1942–2022), Dutch cyclist
==See also== * Carstens * Karsten
{{surname}} Category:Surnames of German origin