Cleiton Ribeiro Xavier (Ukrainian: Клейтон Шав'єр; born 23 March 1983) is a Brazilian former professional footballer who plays as an attacking midfielder.

Cleiton Xavier proved he had good talent in Palmeiras's first matches in the Libertadores Cup and in the São Paulo State Championship.

On 29 April 2009 Cleiton Xavier scored an 87th minute away-goal against Colo-Colo in the Libertadores Cup that secured Palmeiras' progression to the knockout stages of the tournament, it was a very long-range shot inside the goalkeeper's left angle.

[1] Later in the Série A alongside teammate Diego Souza, Cleiton Xavier made an outstanding season with Palmeiras, leading the competition for 19 rounds, however Palmeiras finished 5th due to losses in the final matches and did not qualify for the Libertadores Cup.

[2] In 2013, he became popular for scoring a fastest equalizing goal from the starting line after the restart of the match against local league rival, Chornomorets.