Rubén Dario Limardo Gascón (born August 3, 1985) is a Venezuelan left-handed épée fencer, five-time team Pan American champion, four-time individual Pan American champion, three-time Olympian, and 2012 individual Olympic champion. Limardo competed in the 2012 London Olympic Games, the 2016 Rio de Janeiro Olympic Games, and the 2020 Tokyo Olympic Games. His younger brother, Francisco, also competes in fencing on the international level. In 2015 he was elected to the National Assembly for the United Socialist Party of Venezuela.