Yoennis Hernández Arruez (born 1 February 1978) is a Cuban former rower who competed at three Summer Olympics.

Born in Guantánamo, Hernández had a long career in rowing for Cuba.

He won a total of ten Pan American Games medals during his career.

At every games from 1999 to 2011 he won at least one medal, five of them golds.

[2] He was also a regular competitor at the World Rowing Championships, with his best placing coming at Lucerne in 2001, when he and Yosbel Martínez were fourth in the doubles sculls [3]