Caroline S Ganley, née Blumfield, OBE, JP (16 September 1879-3 August 1966) was a British Labour and Co-operative politician.

Ganley was a school manager and governor, becoming a JP in 1920. She served on Battersea Council (1919-25, 1953-65) and the London County Council (1925-29 and 1934-37), and contested the Paddington North seat at the 1935 general election.

At the 1945 general election, Ganley was elected as Member of Parliament for Battersea South. She narrowly held the seat in 1950 but was defeated by Ernest Partridge in 1951.

Ganley was a director of the London Co-operative Society for many years and served as President 1942-46. She was awarded the OBE in 1953.