Mabelle Massey Segrest, known as Mab Segrest (born February 20, 1949), is an American lesbian feminist and anti-racist writer, scholar and activist. Segrest is best known for her 1994 autobiographical work Memoir of a Race Traitor, which won the Editor's Choice Lambda Literary Award. Segrest is the former Fuller-Matthai Professor of Gender and Women's Studies at Connecticut College.