Emily Williamson, née Bateson (17 April 1855 – 12 January 1936), was an English philanthropist. She was co-founder of the Royal Society for the Protection of Birds (RSPB) with Eliza Phillips in 1891. The society started as the Plumage League; it became the Society for the Protection of Birds, and was granted 'Royal' status in 1904. In 1891 she also established the Gentlewomen's Employment Association in Manchester.