Alonso Quintero Contreras (born 29 July 1993) is a Chilean actor and sociologist.
In 2011, Quintero was hired by the drama department of Televisión Nacional de Chile to participate in the production Aquàmando yo. He later starred in Pobre rico, his second afternoon production of the first half of 2012.
In 2013, he moved to Canal 13, where he signed a two-year contract. In 2015, after the crisis facing Canal 13's drama department, his contract wasn't renewed.
In 2017, he returned to soap operas with Perdona nuestros pecados.
In 2025, Quintero completed his degree and master in sociology at the Pontifical Catholic University of Chile.