Andrés Montañez (born May 7, 1942), better known as Andy Montañez, is a salsa singer from Puerto Rico.

Montañez is a native of the Tras Talleres area of Santurce, San Juan. He is known by the nicknames "El Godfather de la Salsa" and "El Niño De Trastalleres". He is the first born out of 17 children.

Montañez first gained fame as a member of the internationally successful El Gran Combo group, with songs like "Hojas blancas" (White Leaves), "Un verano en N.Y." (A Summer in NY), "El barbero loco" (The Crazy Barber), "Julia", "Ponme el alcolado, Juana" (Rub Me With Alcohol), "Vagabundo" (Bum), "El Swing", etc. He stayed for approximately 15 years, producing 37 LPs. He left El Gran Combo to pursue a career with Venezuelan group La Dimension Latina creating a feud between the two groups. After leaving El Gran Combo, he enjoyed considerable success on an international scale with his own orchestra, touring Latin America and the United States several times. He represented Puerto Rico at the 1992 World's Fair in Seville, Spain.