| Gustavo Zamaio | |
| Fullname: | Gustavo Pedroso Zamaio |
| Birth Date: | 7 April 1986[1] |
| Birth Place: | São Paulo, Brazil |
| Position: | Midfielder |
| Youthyears1: | 2000–2006 |
| Youthclubs1: | Palmeiras |
| Youthyears2: | 2004 |
| Youthclubs2: | → Emprestado ao Nacional (loan) |
| Years1: | 2006 |
| Clubs1: | Bandeirante |
| Years2: | 2007 |
| Years3: | 2009 |
| Years4: | 2009–2010 |
| Clubs4: | Bidvest Wits |
| Caps4: | 2 |
| Goals4: | 0 |
| Totalcaps: | 2 |
| Totalgoals: | 0 |
Gustavo Pedroso Zamaio (born 7 April 1986) is a retired Brazilian footballer.