Esmeralda Zenteno Urizar (Antofagasta, July 18, 1880 -?), known by her pseudonym Vera Zouroff, was a Chilean feminist, editor, writer, novelist, poet, and correspondent.
Lecturing on Socialismo en Chile, she advocated the form of socialism which gives women a share in the practical direction of the world.
She also provided a leadership role at the Centro Femenino de Estudio in Santiago.
Zenteno married Arturo León del RÃo, after which she was known as Esmeralda Zenteno de León del RÃo.