Gabriel Jhon Cortez Casierra (born 10 October 1995) is an Ecuadorian footballer who plays as a midfielder for Ecuadorian Serie A club Barcelona SC. Previously Cortez played for Independiente del Valle, Lobos BUAP, Emelec, Botafogo and made his international debut on 22 February 2017 against Honduras.
In the 2017 Copa Libertadores group stage Cortez scored a last minute equalizer against Deportivo Municipal to keep his team in the competition.
On April 24, 2022 Gabriel "Loco" Cortez was arrested for potential ties with cartel. In June 2022 he was released on bail.