Mimmi Bæivi (born 10 June 1950 in Sørøysund) is a Norwegian politician for the Labour Party.
She was elected to the Norwegian Parliament from Akershus in 1993, and was re-elected on one occasion.
Bæivi was a member of Sørøysund municipality council in the period 1979–1983, and later served as deputy mayor in 1986 and mayor in 1987–1991.
She then became deputy mayor in Hammerfest from 1991–1995.