Caroline Selina Ganley, CBE, JP (née Blumfield; 16 September 1879 – 3 August 1966) was an English Labour and Co-operative Party politician.

[1] She became politically active in opposition to the Boer War, declaring herself a pacifist, and joined the Social Democratic Federation that year.

Ganley was a school manager and governor, becoming a Justice of the Peace in 1920, one of London's first female magistrates after the Sex Disqualification (Removal) Act 1919 came into force.

[2] She joined the Labour and Co-operative Parties and served on Battersea Council from 1919 to 1925, where she chaired the Health and Child Welfare Committee.

[2] She held national positions in the Women's Co-operative Guild and was one of the speakers at its diamond jubilee celebrations at the Royal Albert Hall in 1943.