Juan María Villatoro Medrano was a Salvadoran congressman, attorney at law and notary.

Juan María Villatoro Medrano was born June 24, 1847 in Hacienda Peñagorda, located in El Sauce, La Unión, El Salvador, his father was Eustaquio Villatoro Rubio of Castile and Leon ascendance and his mother Marcela Medrano[1] Fuentes of Basque ascendance.

Juan María married María de la Luz Aurora Rugama Tomé from Honduras in March 1873, in San Salvador, El Salvador.

Juan María Villatoro Medrano was congressman again of the Legislative Assembly of El Salvador in 1888.

In August 1876, he served as 2nd Judge of San Miguel, and served as a substitute magistrate of the Court of Casación, and a Magistrate of the Supreme Court of Justice of El Salvador (Dec. 1883, Jan. 1886 and in 1905) and Judge of San Miguel in September 1886.