Yokasta Galeth Valle Álvarez (born 28 August 1992) is a Costa Rican professional boxer. She is a world champion in two weight classes, having held the IBF female mini flyweight title since 2019 and previously the IBF female junior mini flyweight title in 2016.
She has also challenged once for the WBO female junior flyweight title in 2017 and once for the WBC female mini flyweight title in 2018. As of May 2020, she is ranked as the world's fourth best active female mini flyweight by BoxRec.
Born on 28 August 1992 in Matagalpa, Nicaragua, Valle moved to Costa Rica when she was 7 years old. Valle holds Costa Rican nationality and, thus, represents Costa Rica, but has stated that she represents Costa Rica and Nicaragua due to her origins.
Valle started practicing volleyball, and later moved to boxing due to her father's influence. Her first fight was when she was 13 years old.
