| Birth Place: | São Paulo, Brazil |
| Height: | 186 cm |
| Weight: | 91 kg |
| Sport: | Boxing |
| Club: | Equipe Tony Boxe |
| Coach: | Abel Bokovo Claudio Aires João Carlos Barros Mateus Alves |
| Show-Medals: | yes |
Juan Nogueira (born 1 May 1988) is a Brazilian amateur heavyweight boxer who won a bronze medal at the 2014 South American Games. He competed at the 2013 and 2015 world championships and qualified for the 2016 Summer Olympics.