Marilyn Brick is a politician in Manitoba, Canada. She is currently a member of the Manitoba legislature.

Brick was educated at the University of Manitoba, graduating from the university's Bachelor of Physical Education program and receiving a Continuing Education Division Certificate in Human Resource Management. She has been involved in a number of community programs, serving as President of the Richmond Kings Community Centre and as a member of the Manitoba Parks and Recreation Association Board of Governors. Brick has also founded a day care advocacy group, received a Citation Award for volunteer service to the Red Cross, and served on the Canadian Union of Public Employees Local 500.

Prior to her election, Brick worked in the Community Services Department of the City of Winnipeg. She had previously held several other positions in the city, working in the field of Recreation Services and Marketing.

In the Manitoba general election of 1999, Brick ran as a New Democrat in the south-end Winnipeg riding of St. Norbert. She lost to Progressive Conservative incumbent Marcel Laurendeau, 4152 votes to 3482.

In the 2003 election, the NDP made a number of historic breakthroughs in south Winnipeg. Brick defeated Laurendeau, 3355 votes to 2610, and became the first social democrat ever to represent the riding.