Marc Valiente Hernández (born 29 March 1987) is a Spanish professional footballer who plays mainly as a central defender for Sporting de Gijón.
He was formed at Barcelona and later joined Sevilla, but was mainly a reserve at both clubs.
In 2010 he signed with Valladolid, where he appeared in 157 official games over a five-year span.
He went on to play top-flight football in Israel, Belgium and Serbia.
Valiente was a Spanish youth international, and later earned unofficial caps for Catalonia.