José Cláyton Menezes Ribeiro (better known as Cláyton) (born 21 March 1974) is a former Brazilian-Tunisian football left-back.
Although Clayton was born in Brazil, he spent a large part of his club career in Tunisia playing for Espérance Sportive de Tunis, and became a naturalized citizen in time for the 1998 World Cup.
He played for Tunisia twice in that tournament, as well as one match in 2002.He had a brief spell with Sakaryaspor in the Turkish Super Lig.
He also spent time with Qatari-based side Al Sadd.
He won the Q-League title in 2006.
In 2006, he left Al Sadd for Turkish club Sakaryaspor.
He is a wing-back typified by his effective overlapping runs, mazy dribbling and pin-point crosses.
He has 38 caps (2 goals) for Tunisia
He was an over-age player on the Tunisian 2004 Olympic football team that exited in the first round, finishing third in Group C, behind group and gold medal winners Argentina and runners-up Australia.
He was part of the squad that won the 2004 African Cup of Nations.