Ioan Silviu Suciu (born 24 November 1977 in Sibiu) is a retired Romanianartistic gymnast. His best event was the pommel horse. One of his closest rivals was his team mate and pommel horse Olympic champion Marius Urzică, who was defeated by Suciu in Ljubljana, 2004, when the latter won the title while Urzică took 8th place. Suciu is an Olympic bronze medalist with the team, a silver world medalist on pommel horse and a six-time European medalist (pommel horse, vault and team). Suciu was one of the key team members of the Romanian gymnastics team for several years contributing to the 2004 Olympic team bronze medal and three continental team medals (two gold and one silver). He also placed fourth all around at the 2004 Olympic Games.