Gina Altagracia Mambrú Casilla (born January 21, 1986, in Santo Domingo) is a volleyball player from the Dominican Republic, who played the 2012 Olympic Games and the 2014 World Championship ranking fifth in both competitions.

Playing in Chiapas, Mexico, with her National Senior Team, she won the 2010 Final Four Cup gold medal.

[5] Mambrú was sidelined in October from the Dominican Republic 2010 FIVB World Championship squad, because she suffered a thrombosis, from she is recovered.

[6] In early 2011, Altagracia received for magnificent performance during 2010, making her the recipient of the 2010 Dominican Republic "Volleyball Player of the Year".

[7] Mambru played the 2012 Olympic tournament and her national team ranked 5th,[8] after losing the quarterfinal match 3-0 against the United States.