Rosa M. Towne (c. 1827 – December 3, 1909) was an American painter.

[1] Her siblings included artist Ann Sophia Towne Darrah, educator Laura Matilda Towne, and engineer John Henry Towne.

Oakes Ames purchased them for the Harvard Botanical Museum and his successor Richard Evans Schultes published reproductions of them as Plant Lore of Shakespeare (1974).

[3] John Henry Towne built a memorial fountain in Jenkintown, Pennsylvania dedicated to her work with the Society for the Prevention of Cruelty to Animals.

[1] Rosa M. Towne died on December 3, 1909.