João Natailton Ramos dos Santos or simply Joãozinho (Russian: Жоао Натаилтон Рамос Дос Сантос; born 25 December 1988) is a Brazilian professional footballer who plays as a right or left winger for Brasiliense.

On 6 February 2011, Joãozinho made his unofficial debut for the team from Krasnodar, playing the first 63 minutes in the 2–2 draw with Ukrainian side SC Tavriya Simferopol in a friendly match.

On 15 February 2011, he scored a goal and provided an assist in the 4–0 rout against Czech club FK Baumit Jablonec.

Joãozinho's official debut came on 6 March 2011 in the 1–0 win against Amkar Perm in a Russian Cup match, with the Brazilian being in the starting line-up.

His Russian Premier League debut occurred 6 days later in the 0–0 away draw with FC Anzhi Makhachkala.

On 14 June 2011, the Brazilian opened his account for the team, netting twice in the 4–2 home win against Volga Nizhny Novgorod.