Ehrenfeld is a German surname. This is generally considered to be an habitational name, taken on from any of several places named Ehrenfeld.
Ehrenfeld is an ancient Christian surname, but there are also a significant number of Jewish people bearing it. Notable people with the surname include:
Akiva Ehrenfeld (1923–2012), president of Kiryat Mattersdorf Shmuel Ehrenfeld, the Mattersdorfer Rav Simon Ehrenfeld, Australian politician Rachel Ehrenfeld, Director of the American Center for Democracy