Rafael Yunier Alba Castillo (born 12 August 1993) is a Cuban taekwondo athlete.

He competed at the 2016 Summer Olympics in Rio de Janeiro, in the men's +80 kg.

[1] At the 2020 Summer Olympics, he won the bronze medal in the men's +80 kg event.

[2] This biographical article related to taekwondo in Cuba is a stub.

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