Barbara Joan Sindall (22 September 1904 – 25 March 1989) was a British educator.

[2][3] She moved to the United States with her parents in childhood, and attended preparatory school in Dongan Hills, Staten Island.

At Bryn Mawr she played hockey, ran track, and did archery and swimming.

During World War II she returned to Britain and enlisted in the Auxiliary Territorial Service in which she was commissioned in 1944[8] and attained the rank of Subaltern (equivalent to Lieutenant)[9] and served in a Royal Artillery anti-aircraft battery.

Her niece Susan Sindall married composer Peter Schickele.