Eisen is a German surname meaning "iron". Notable people with the surname include:
Arnold Eisen, professor of Jewish studies Arthur Arturovich Eisen, a Russian soloist with the Alexandrov Ensemble Charles-Dominique-Joseph Eisen (1720–1778), French painter and engraver Cliff Eisen, Canadian musicologist Erez Eisen, Israeli music producer François Eisen. French engraver Gary Eisen, American politician Gustav Eisen, Swedish-American scientist Hilda Eisen, Polish-born American businessperson, philanthropist, and Holocaust survivor Jonathan Eisen, American biologist Matthias Johann Eisen, Estonian folklorist Michael Eisen, American biologist Norm Eisen, American lawyer and diplomat Percy A. Eisen, American architect Rich Eisen, American television journalist Sara Eisen, American television journalist Stanley Bert "Paul Stanley" Eisen, American musician Theodore Eisen, American architect Thelma "Tiby" Eisen (1922-2014), American baseball player Tripp Eisen, American musician Zach Tyler Eisen, American voice actor
Eisen is also a masculine Japanese given name. Notable people with the name include: , Japanese ukiyo-e artist , Japanese potter
Other Eisen (7th Sea), a 2000 supplement for the role-playing game 7th Sea
See also Aizen (disambiguation) Eisenmann