Meaning of the surname Treviño
Treviño is a Spanish surname of the from a place type meaning "three boundaries". It is a regional surname. Very common in Nuevo León and Tamaulipas.
Taken from a town, region, or landscape feature in Spain, or later in Mexico: Castillo (castle), Rivera (riverbank), Navarro (from Navarre), Ibarra (Basque valley).
In Mexico a person carries two surnames, the father's and then the mother's, so Treviño appears as either half of a pair: Treviño García, López Treviño. Read how the two-surname system works.