Mavis Taillieu (born August 8, 1952) is a former politician in Manitoba, Canada. She was a member of the Manitoba legislature from 2003 to 2013, representing the opposition Progressive Conservative Party
Taillieu holds a Bachelor of Arts degree from the University of Winnipeg. Before entering public life she was a Registered Laboratory Technologist, and worked in the health care field for fifteen years. Taillieu has also been a successful entrepreneur. She was the founder of the Headingley Headliner, a local newspaper covering developments in Headingley, Manitoba, Taillieu was elected with over 57% of the popular vote, despite the party's poor showing in other parts of the province.
In 2003, she criticized the provincial government's funding of a controversial display by Aliza Amihude.
In the federal election of 2004, Taillieu campaigned on behalf of Conservative Party of Canada candidate Steven Fletcher. She was re-elected in the 2007 and 2011 provincial elections.