Mary Eugenia Wharton (October 12, 1912 – November 28, 1991) was an American botanist, author, and environmental activist.

After her doctoral work, she spent 30 years teaching at Georgetown College and later became head of the Biology Department.

[5] In fact, Georgetown College later dedicated a wing of the George Matt Asher Science Center to her.

In addition, Wharton edited diaries and letters of Martha McDowell Buford Jones, a Confederate wife, published in 1986 as Horse World of the Bluegrass and Peach Leather and Rebel Grey.

[6] Wharton was involved in environmental activism throughout her later years in particular issues such as the proposed damming of the Red River Gorge and the expansion of the Paris Pike.