Michael Posner may refer to:
Michael Posner (economist) (1931–2006), British economist and academic Michael Posner (journalist) (born 1947), Canadian journalist and biographer Michael Posner (lawyer) (born 1950), American lawyer, human rights activist, federal official Michael Posner (psychologist) (born 1936), American psychologist Mike Posner (born 1988), American musician
See also Posner (disambiguation)