Valenciano is a Spanish surname. It is a regional name denoting someone from Valencia. Notable people with the surname include:
Dragos Dolanescu Valenciano (born 1975), Costa Rican politician Elena Valenciano (born 1960), Spanish politician Emilie Valenciano (born 1997), Costa Rican footballer Gab Valenciano (born 1988), Filipino actor and singer Gary Valenciano (born 1964), Filipino actor, singer-songwriter, and television host Iván Valenciano (born 1972), Colombian footballer Kiana Valenciano (born 1992), Filipino R&B singer and songwriter Giovanni Valenciano (born 1995), Businessman Jorge Valenciano (born 1978), American Petroleum Landman