Blue Heart (Spanish: Corazón Azul) is a 2021 independent sci-fi Cuban film directed, written and produced by Miguel Coyula, starring Lynn Cruz, Carlos Gronlier and Héctor Noas. The film premiered at the 2021 Moscow International Film Festival. It has played at film festivals like BAFICI Buenos Aires International Festival of Independent Cinema, and the Guadalajara International Film Festival, among others.