Margit Tøsdal (14 April 1918 – 12 January 1993) was a Norwegian politician for the Labour Party. She was born in Os. She was elected to the Norwegian Parliament from Hordaland in 1961, and was re-elected on two occasions. She had previously served as a deputy representative in the period 1958–1961. Tøsdal was President of the Lagting 1977–1981. She was a member of Os municipality council from 1951 to 1955.