Catherine McEntee (née Windsor) (1880 - 1 February 1962) was a local politician in the Walthamstow area.
The daughter of Charles Windsor of Mile End, she married Valentine La Touche McEntee, in June 1920. She was elected to Walthamstow Urban District Council in 1921, the first female councillor there. The urban district was subsequently incorporated as a municipal borough and she became an alderman, and was twice List of Mayors of Walthamstow: in 1937-38 and in 1955-56.
She was appointed a Justice of the Peace for the County of Essex in 1929 and was also amember of Essex County Council. Both she and her husband were granted the honorary freedom of Walthamstow in 1948.
In 1951 her husband was created Baron McEntee and she became Baroness McEntee on 26 June 1951. Her husband died in 1953.