Lucy Ellen Sewall (26 April 1837 – 13 February 1890) was a 19th-century American physician.

Lucy Ellen Sewall was born on 26 April 1837 in Roxbury, Massachusetts.

Her parents were abolitionists Louisa Maria Winslow and Samuel Sewall.

Sewall attended the New England Female Medical College and graduated in 1862.

[1][2][3][4] In 1881 Sewall tried to get Harvard to allow women to enter their medical school.