Marcia MacMillan is a Canadian news anchor for CTV News Channel broadcasting the weekday evening news. She started working for CTV News in November 2005. MacMillan started her broadcasting career as a reporter for MCTV in Sudbury, Ontario then for MCTV in North Bay, Ontario. She then moved on to CKWS in Kingston, Ontario. She also reported for The Weather Network, CHCH-TV and Toronto 1. She earned both a bachelor's degree in political science from the University of Western Ontario and a graduate degree in journalism from Ryerson University's Graduate School of Journalism and graduated from Ancaster High School in 1989. She is from the Ancaster community of Hamilton, Ontario.
She had a health scare in 2012 when she was diagnosed with "a lot of blood clots in both lungs".
She is also one of the fill-in anchors for CTV National News.