Russell Mills (born July 14, 1944, in St. Thomas, Ontario) is a former Canadian newspaper publisher. He served as publisher of the Ottawa Citizen for sixteen years before being fired in 2002 by the newspaper's owners, CanWest Global, for an editorial Mills wrote calling for then-Prime Minister of Canada Jean Chrétien to resign.

Mills earned two degrees from the University of Western Ontario. His first was a bachelor's degree in general arts in 1967, and his second was a master's degree in sociology in 1968. Mills then joined the Ottawa Citizen in 1971 and work would for them for three decades.

He rose to become publisher of the Citizen in 1986, and was soon promoted to president of the Southam Newspaper Group in 1989. He kept this position until 1992 when he returned to the Citizen to again serve as publisher. He held this position until 2002.

The day prior to being fired, Mills received an honourary degree from Carleton University. He soon became a Nieman Fellow at Harvard University.

Mills now serves as the Dean of the School of Media and Design at Algonquin College in Ottawa, Ontario.