Kasten is a surname. Notable people with the surname include:
Bob Kasten (born 1942), U.S. Republican politicianG. Randy Kasten, attorney and authorJeremy Kasten, American filmmakerKarl Kasten (1916–2010), painter-printmaker-educator in the San Francisco Bay AreaKasten Antell (1845–1906), Finnish politicianLloyd Kasten (1905–1999), American Hispanist, medievalist, lexicographer, and LusophileSam Kasten, comic actor in Yiddish TheaterStan Kasten (born 1952), president, and part-owner, of the Los Angeles DodgersTim Kasten (born 1983), German international rugby union player