Louise Dacquay (born June 25, 1940) is a politician in Manitoba, Canada. She was a member of the Legislative Assembly of Manitoba from 1990 to 2003, and served as speaker of the assembly from 1995 to 1999. Dacquay served on the Winnipeg City Council from 1986 to 1989, representing the Langevin Ward. She won the seat from veteran councillor Evelyne Reese in 1986, but lost it to Reese three years later.