Karen Sogn, née Thaugland (28 April 1931 - 21 October 2013) was a Norwegian politician for the Conservative Party.
She was elected to the Parliament of Norway from Vestfold in 1977, and was re-elected in 1981 to serve until 1985. She had previously served as a deputy representative during the term 1973 - 1977.
On the local level she was a member of Lardal municipal council from 1967 to 1979, serving as deputy mayor from 1975 to 1977.