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 the municipal council of Sørøysund Municipality from 1979 - 1983, and later served as deputy mayor in 1986 and mayor in 1987 - 1991. She then became deputy mayor in Hammerfest Municipality from 1991 - 1995.