Yalennis Castillo Ramírez is a Cuban judoka. She was born in Moa, Holguín, Cuba on 21 May 1986. She practiced judo since she was a child.

Judo competitions at the 2015 Pan American Games in Toronto were held from July 11 to 14 at the Hershey Centre in Mississauga. Due to naming rights the arena was known as the latter for the duration of the games. A total of fourteen judo events were held: seven each for men and women.