Michael (Mike) Eigen (born January 11, 1936) is an American psychologist and psychoanalyst.

Eigen was born in Passaic, New Jersey, to a Jewish family,[3] the son of Jeanette (née Brody), a teacher, and Sol, a lawyer.

Eigen stated that he admires her and says that she “can help and treat people no one else can help.” [7] They have two sons, David and Jacob.

[8] In talking about his approach to therapy, he stated that "I am hoping, praying that something real, useful, something that touches another soul happens, something that helps others feel how much there is to feel, how precious psychic reality is, how precious and complex and amazing we are.

Eigen described how "Bion uses many images and expressions from religious and mystical life to portray psychoanalytic processes.