Marcus E. Raichle (born March 15, 1937) is an American neurologist at the Washington University School of Medicine in Saint Louis, Missouri.

He is a professor in the Department of Radiology with joint appointments in Neurology, Neurobiology and Biomedical Engineering.

[1] He received the Kavli Prize in Neuroscience “for the discovery of specialized brain networks for memory and cognition", together with Brenda Milner and John O’Keefe in 2014.

[5][6] In 2001, he was a co-recipient of Grawemeyer Award in Psychology, with Michael Posner and Steven Petersen of the University of Louisville.

In 2014, he was a co-recipient of the Kavli Prize in Neuroscience, awarded by the Norwegian Academy of Science and Letters, with Brenda Milner of the Montreal Neurological Institute at McGill University and John O’Keefe of University College London.