Aviva Cantor (born 1940) is an American journalist, lecturer and author. An advocate of feminism and the democratization of Jewish communal life, Cantor has been actively involved in promoting progressive Jewish causes for over forty years. She was a co-founder in 1968 of the Jewish Liberation in New York, a Socialist Zionist organization, and served as founding editor of its Jewish Liberation Journal. JLP was among the first Jewish groups to advocate the two-state solution (1968).