Bruno Giuseppe Fratus (born 30 June 1989) is a Brazilian competitive swimmer who placed fourth in 50-metre freestyle at the 2012 Summer Olympics in London.
He has two silver medals (50 metre freestyle and 4 x 100 metre freestyle relay) at the 2017 World Aquatics Championships, and a bronze medal in the 50 metre freestyle at the 2015 World Aquatics Championships.
He is also the gold medalist in the 50 metre freestyle at the 2014 Pan Pacific Championships.