2011 World Amateur Boxing Championships
	Light flyweight
	Flyweight
	Bantamweight
	Lightweight
	Light welterweight
	Welterweight
	Middleweight
	Light heavyweight
	Heavyweight
	Super heavyweight

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 56 kilograms (123 lb) in body mass.

The eight quarter-finalists qualified, subject to continental quotas, to compete at this weight at the 2012 Summer Olympics.

Gold	Lázaro Álvarez (CUB)
Silver	Luke Campbell (ENG)
Bronze	John Joe Nevin (IRL)
	Anvar Yunusov (TJK)

	Semifinals					Final
	1	Luke Campbell (ENG)	+12
	4	John Joe Nevin (IRL)	12
						Luke Campbell (ENG)		10
						Lázaro Álvarez (CUB)		14
	3	Anvar Yunusov (TJK)	13
	2	Lázaro Álvarez (CUB)	18

	Round 1					Round 2					Round 3					Quarterfinals
						Detelin Dalakliev (BUL)		19
	Dawid Michelius (POL)		13			Dawid Michelius (POL)		7
	Ruwan Weerakkodige (SRI)		5								Detelin Dalakliev (BUL)		16
	Omurbek Malabekov (KGZ)		24								Omurbek Malabekov (KGZ)		14
	Joselito Aguirre (GUA)		17			Omurbek Malabekov (KGZ)		15
	Anthony Bret (FRA)		21			Anthony Bret (FRA)		14
	Othman Arbabi (QAT)		4													Detelin Dalakliev (BUL)		8
	Mohamed Ouadahi (ALG)		18													Luke Campbell (ENG)		12
	Atanas Mugerwa (UGA)		10			Mohamed Ouadahi (ALG)		18
	Bashir Hassan Salad (SWE)		12			Bashir Hassan Salad (SWE)		10
	Louis Julie (MRI)		9								Mohamed Ouadahi (ALG)		9
	Dmitrijs Gutmans (LAT)		6								Luke Campbell (ENG)		11
	Nicolae Andreiana (ROM)		17			Nicolae Andreiana (ROM)		7
	Luke Campbell (ENG)		17			Luke Campbell (ENG)		17
	Rahim Najafov (AZE)		7

	Round 1					Round 2					Round 3					Quarterfinals
						Veaceslav Gojan (MDA)		19
	Aboubakr Lbida (MAR)		19			Aboubakr Lbida (MAR)		14
	Syed Hussain (PAK)		8								Veaceslav Gojan (MDA)		8
	Orzubek Shayimov (UZB)		22								Orzubek Shayimov (UZB)		13
	Mykola Butsenko (UKR)		13			Orzubek Shayimov (UZB)		10
	Mohamed Farag (EGY)		11			Angel Rodriguez (VEN)		9
	Angel Rodriguez (VEN)		20													Orzubek Shayimov (UZB)		17
	Otgondalai Dorjnyambuu (MGL)		24													John Joe Nevin (IRL)		19
	Hovhannes Bachkov (ARM)		13			Otgondalai Dorjnyambuu (MGL)		15
	Lee Jin-young (KOR)		14			Lee Jin-young (KOR)		3
	Dennis Ceylan (DEN)		10								Otgondalai Dorjnyambuu (MGL)		18
	Filip Barak (SVK)		8								John Joe Nevin (IRL)		+18
	Akhil Kumar (IND)		16			Akhil Kumar (IND)		14
						John Joe Nevin (IRL)		21

	Round 1					Round 2					Round 3					Quarterfinals
						Sergey Vodopyanov (RUS)		26
	Julio Deivis (COL)		23			Julio Deivis (COL)		13
	Seif Qraish (JOR)		15								Sergey Vodopyanov (RUS)		18
	Zhang Jiawei (CHN)		18								Zhang Jiawei (CHN)		12
	Armin Amjadian (IRI)		9			Zhang Jiawei (CHN)		17
	Joan Tipon (PHI)		13			Joan Tipon (PHI)		8
	Alberto Melián (ARG)		12													Sergey Vodopyanov (RUS)		9
	Luke Boyd (AUS)		17													Anvar Yunusov (TJK)		19
	Giorgi Kilanava (GEO)		10			Luke Boyd (AUS)		24
	Koffi Yoboue (CIV)					Norbert Kalucza (HUN)		22
	Norbert Kalucza (HUN)		RSC								Luke Boyd (AUS)		7
	Furkhan Memis (TUR)		12								Anvar Yunusov (TJK)		17
	Sean McGoldrick (WAL)		10			Furkhan Memis (TUR)
						Anvar Yunusov (TJK)		RSC

Round 1

Round 2

Round 3

Quarterfinals

Jahyn Parrinello (ITA)

22

Mohammad Latifi (AFG)

Satoshi Shimizu (JPN)

13

Satoshi Shimizu (JPN)

RSC

Jahyn Parrinello (ITA)

11

Lázaro Álvarez (CUB)

18

Lázaro Álvarez (CUB)

13

Robenílson Vieira (BRA)

13

Lázaro Álvarez (CUB)

13

Rafly Langi (INA)

Denis Makarov (GER)

8

Denis Makarov (GER)

WO

Lázaro Álvarez (CUB)

19

Ayabonga Sonjica (RSA)

7

Joseph Diaz (USA)

10

Worapoj Petchkoom (THA)

16

Worapoj Petchkoom (THA)

21

Joseph Diaz (USA)

RSCH

Joseph Diaz (USA)

24

Kyaw Latt (MYA)

Joseph Diaz (USA)

22

Dzmitry Zhukau (BLR)

12

Oscar Valdez (MEX)

21

Matar Sambou (SEN)

3

Dzmitry Zhukau (BLR)

Oscar Valdez (MEX)

RSC

• Draw