Thomaz Bellucci
| Bellucci at the 2016 Ecuador Open Quito Final | |
| Country (sports) | Brazil | 
|---|---|
| Residence | São Paulo, Brazil | 
| Born | 30 December 1987 Tietê, Brazil | 
| Height | 1.88 m (6 ft 2 in) | 
| Turned pro | 2005 | 
| Retired | 22 February 2023 | 
| Plays | Left-handed (two-handed backhand) | 
| Coach | Germán López Thiago Alves | 
| Prize money | $ 5,384,637 | 
| Official website | thomazbellucci.com.br | 
| Singles | |
| Career record | 200–218 | 
| Career titles | 4 | 
| Highest ranking | No. 21 (26 July 2010) | 
| Grand Slam singles results | |
| Australian Open | 2R (2010, 2011, 2012, 2014, 2016) | 
| French Open | 4R (2010) | 
| Wimbledon | 3R (2010) | 
| US Open | 3R (2015) | 
| Other tournaments | |
| Olympic Games | QF (2016) | 
| Doubles | |
| Career record | 63–83 | 
| Career titles | 1 | 
| Highest ranking | No. 70 (15 July 2013) | 
| Grand Slam doubles results | |
| Australian Open | QF (2013) | 
| French Open | 1R (2015, 2016, 2017) | 
| Wimbledon | 2R (2015) | 
| US Open | 3R (2016) | 
| Other doubles tournaments | |
| Olympic Games | 2R (2016) | 
| Mixed doubles | |
| Grand Slam mixed doubles results | |
| French Open | SF (2011) | 
Thomaz Cocchiarali Bellucci (born 30 December 1987, in Tietê) is a Brazilian former professional tennis player. He achieved a career-high singles ranking of World No. 21 in July 2010.
Bellucci used a string of ATP Challenger Tour victories early in 2008 to break into the top 100 rankings of the ATP World Tour as a 20-year-old. He has won 4 ATP Tour titles (the 2009 and 2012 Swiss Open, the 2010 Movistar Open and the 2015 Geneva Open), reached the quarterfinals at the 2016 Olympics and reached the semi-finals of the 2011 Madrid Masters.