Elisa Pedra Zamacois y Zabala (29 April 1838 in Bilbao – November 1915 in Buenos Aires) was a Spanish singer and actress.

She was half-sister of the writer Niceto de Zamacois, and sister of the painter Eduardo Zamacois y Zabala, and the actor Ricardo Zamacois, and also was aunt of the writers Miguel Zamacoïs and Eduardo Zamacois, and the music composer Joaquín Zamacois.

Elisa Pedra Zamacois y Zabala was born on 29 April 1838 in Bilbao, daughter of Miguel Antonio de Zamacois y Berreteaga, and his second wife, Ruperta María del Pilar de Zabala y Arauco.

Her family moved to Madrid,[1] where worked at Teatro de la Zarzuela.

[2][3] She played Galatea in the homonym play along Modesto Landa (Pygmalion), Vicente Caltañazor (Midas) and Emilio Carratalá (Ganymede).