Myrna A. Phillips (born November 1942) is a politician in Manitoba, Canada. She was a member of the Legislative Assembly of Manitoba from 1981 to 1988, and served as speaker of the assembly from 1986 to 1988.
Phillips was born in Roland, Manitoba. Before entering politics, she was active in feminist organizations such as the Equal Rights and Opportunities Commission, and in community programs such as Place for Kids Daycare. She was also a member of the Wolseley Residents's Association in central Winnipeg. Phillips worked for the provincial government from 1974 to 1981, also working for Great West Life and the Manitoba Telephone System.
She was first elected to the Manitoba legislature in the 1981 provincial election, defeating incumbent Progressive Conservative Len Domino The Progressive Conservatives supported Walding, and refused to co-nominate Phillips as his successor.
The NDP were unexpectedly defeated in the legislature in early 1988, when Jim Walding voted against his party's budget in an evenly divided house.
After leaving politics, Phillips worked with the National Democratic Institute in Palestine. She also returned to work in the provincial civil service, retiring in 2001. She endorsed Kristine Barr for the Wolseley NDP nomination in the 2003 provincial election.
In August 2012, Phillips was named to the Manitoba Law Reform Commission.