Martín Suárez de Toledo (1520-1584) was a Spanish nobleman and conquistador.

He served as interim Governor of the Río de la Plata and Paraguay.

[1] Suárez de Toledo is primarily remembered for his involvement in the conquest and colonization of the Río de la Plata region.

Born in Seville, his parents were Hernando Arias de Saavedra and Beatriz Suarez de Figueroa, belonging to the Spanish nobility.

He was married to María de Sanabria, daughter of Juan de Sanabria and Mencía Calderón Ocampo.