Yalennis Castillo Ramírez (born May 21, 1986) is a Cuban judoka. She was born in Moa, Holguín, Cuba on May 21, 1986. She practiced judo since she was a child.
She first won medals in the 2005 Pan American Games and the Leonding Tournament in Austria. She won the Silver Medal in the 2006 World Cup by Teams and Bronze Medal in the 2007 World Cup in Vienna, Austria. That year 2007 she also participated in the World Championship in Rio de Janeiro, Brazil.
Her greatest result was in the 2008, where Castillo won a silver medal in the -78 kg category at the 2007 World Judo Championships in a disputed match against the local contender Xiuli Yang. During 2008 she also won the Torneo de Cuenca in Ecuador, the Tre Torri in Italy, the Super Cup of the World, in Hamburg, Germany, and the Pan American Games in Miami, USA.
Castillo was intermittently in and out of international competition due to an injury and because she married Cuban baseball player Frank Camilo Morejón and had a child. By 2014 she had returned to competition and she currently participating in the Rio de Janeiro Olympic Games.