Gustavo Guazzelli Bonatto, also known as Gustavão, (born (1986-01-02)2 January 1986) is a Brazilian male volleyball player.

[5][6] Gustavo Bonato had a remarkable career with the Brazil national volleyball team.

In 2008 he participated with the representative group in the last ever edition of the America's Cup, in which he won the Silver medal.

[9] He was a key member of the Brazilian National Team at the 2011 Summer Universiade in Shenzhen, China, in which the "cariocas" won the Bronze medal.

[10][11] He was also a key player in Brazil's 4th place finish at the 2012 Pan-American Cup.