Lily Loat (21 January 1880 – 16 August 1958) was a British anti-vaccination activist.
She was head pupil at Tiffin Girls' School in Kingston-on-Thames[citation needed].
After leaving school, she took shorthand lessons and gained her a position at the National Anti-Vaccination League.
[1] The League's journal The Vaccination Inquirer and Health Review had been published since 1880.
She was working for the National Anti-Vaccination League whilst in hospital during her final illness.