Beatrice Helen Sanders (1874 – 29 November 1932) was a British suffragette and humanist,[1] who served as financial secretary of the Women's Social and Political Union from 1904 until 1914.

[2] Born Beatrice Helen Martin, her mother was a hairdresser[3] and she worked as an assistant in her fathers' tobacconist shop before marrying a progressive social politician,[3] William Stephen Sanders.

[2] Annie Kenney recalled in her memoirs[5] Sanders' strong control of members' expenses, as they would be expected to correct errors or deficits "out of our own pocket".

By 1913, as financial secretary of the Women's Social and Political Union, she was arrested with Harriet Kerr[7] after a struggle with police which was front-page news in The Suffragette, when the premises at Clement's Inn was raided, the sentence was fifteen days.

[3][8] She went on hunger strike in Lewes prison and was temporarily released under the terms of the Cat and Mouse Act, and although her sentence was never annulled, she was not re-arrested.