Gisela Maria Morales Valentin (born 17 December 1987)[1] is an Olympic swimmer from Guatemala.

She also won two bronze medals at the 2003 Pan American Games.

At the 2010 Central American and Caribbean Games, Morales won the Gold Medal in both the 50m backstroke and the 100m backstroke, and the Silver Medal in the 200m backstroke, in a close battle with Mexican competitor Fernanda González.

She represented Guatemala at the 2011 and 2015 Pan American Games.

This biographical article related to a Guatemalan swimmer is a stub.