Thiago Gentil (born 8 April 1980) is a Brazilian footballer who plays as a forward.
Gentil started his career of at Náutico and joined Palmeiras, who had been relegated to the Campeonato Brasileiro Série B. Gentil was sent on loan to Saudi Arabia where he played for Al-Ittihad Club.
He caught the eye of Spanish side Deportivo Alavés, and in the summer of 2006 he signed a 3-year contract with the club with annual wages starting at 800,000 Euros.
He performed well in his first season at the club, however the financial problems faced by Alavés owner Dmitry Pietrman forced him to come back to his homeland at the club of Figueirense.
He spent the rest of his career playing in his native Brazil for Coritiba, Grêmio Barueri and Guarani, though he signed for Nacional in Portugal during the 2010 winter transfer window on a free transfer.