Espen Hammer is a Norwegian philosopher. He is a professor of philosophy at Temple University and has held visiting professorships at the New School for Social Research and the University of Pennsylvania. Between 1998 and 2007 he was a Lecturer and later Reader at the University of Essex. He currently lives in Philadelphia.
Hammer's main focus is on the post-Kantian European tradition of philosophy. Most of his work deals with questions of ethics, politics and subjectivity.