María José Quintanilla (born 17 February 1990), also nicknamed “Coté”, is a Chilean singer, songwriter, and actress.

Quintanilla's televised career in the early 2000s is credited for helping Mexican music gain more acceptance in Chile.

[2] Representing Chile, she was a finalist at the Bravo Bravísimo contest in Modena, Italy, where she sang "Zingara" in both Spanish and Italian.

[3] In 2004, at the age of 14, Quintanilla was a headlining artist at the Viña del Mar International Song Festival, in Chile, performing with a full mariachi band and baile folklórico dancers.

[4] Quintanilla performed in the Broadway musical The Wizard of Oz, and recorded her third album with songs from the production.