Lucy Donnelly

{{for|the film producer|Lucy Barzun Donnelly}}{{Infobox person

| name = Lucy Martin Donnelly

| image = LucyMartinDonnelly1910.png

| alt = A young white woman, hair in a bun, wearing a high-collared white blouse, holding and regarding a small book or pamphlet

| caption = Lucy Martin Donnelly, from the 1910 yearbook of Bryn Mawr College

| birth_date = September 18, 1870

| death_date = August 3, 1948

| occupation = Educator

}}

Lucy Martin Donnelly (September 18, 1870 – August 3, 1948) was a teacher of English at Bryn Mawr College. She was head of the English department starting in 1914.