The Bantamweight competition was the third-lightest class featured at the 2011 World Amateur Boxing Championships, held at the Heydar Aliyev Sports and Exhibition Complex. Boxers were limited to a maximum of in body mass.
The eight quarter-finalists qualified, subject to continental quotas, to compete at this weight at the 2012 Summer Olympics.
| Gold | |
| Silver | |
| Bronze | |
Oscar Valdez (third round)
Sergey Vodopyanov (quarterfinals)
John Joe Nevin (semifinals)
Veaceslav Gojan (third round)
Anvar Yunusov (semifinals)
Jahyn Parrinello (third round)
Rahim Najafov (first round)