Antônio Flávio Aires dos Santos (born 5 January 1987) is a Brazilian former footballer who plays as a striker.

Flávio was in 2009 spotted by AIK Fotboll representatives and was later signed to the Swedish club.

Flávio quickly formed a good partnership with Argentinian striker Iván Obolo.

He also caused some controversy post-game when a T-shirt adorned with "Hata Göteborg" (Hate Gothenburg) was given to him.

On 1 November 2009, Flávio won Allsvenskan with AIK after scoring the equaliser against IFK Göteborg.