| Gustavo Guimarães | |
| Birth Date: | 24 January 1994 |
| Sport: | Water polo |
| Club: | Pinheiros |
| Height: | 186cm (73inches) |
| Weight: | 890NaN0 |
| Show-Medals: | yes |
Gustavo de Freitas Guimarães (born 24 January 1994) is a water polo player from Brazil. He was part of the Brazilian team at the 2016 Summer Olympics,[1] where the team was eliminated in the quarterfinals.