Juan "Pachín" Vicéns Sastre[note 1] (September 7, 1934 – February 18, 2007) was a Puerto Rican basketball player.
Vicéns was famous for his performance with the Leones de Ponce and with the Puerto Rican national basketball team.
In 1949, he moved to Ponce to study in the Colegio Ponceño encouraged by his brother Enrique "Coco" Vicéns, who was already playing with the Lions.
He was the final torchbearer and lighted the cauldron at the 1993 Central American and Caribbean Games held in Ponce.
Due to his illness he had to be hospitalized several times, and finally died on February 18, 2007, at his home in Ponce at the age of 72.
In 1972, the Ponce Lions gave their new venue the name of Juan Pachín Vicéns Coliseum.