# 2021 AIBA World Boxing Championships – Heavyweight

The heavyweight competition at the 2021 AIBA World Boxing Championships was held between 26 October and 6 November.

## Results
### Finals

| Semifinals | Semifinals | Final | Final |
| Julio César La Cruz | 5 |
| Madiyar Saydrakhimov | 0 | | |
| Madiyar Saydrakhimov | 0 | Julio César La Cruz | 4 |
| | | Aziz Abbes Mouhiidine | 1 |
| Aziz Abbes Mouhiidine | 4 | Aziz Abbes Mouhiidine | 1 |
| Enmanuel Reyes | 1 | | |

### Top half
#### Section 1

| First round | First round | Second round | Second round | Third round | Third round | Quarterfinals | Quarterfinals |
| | | Abner Teixeira | 1 | | |
| | | Sadam Magomedov | 4 | | |
| Sadam Magomedov | 4 | Sadam Magomedov | 4 | | |
| Emir Büyükdağ | 0 | | | | |
| Emir Büyükdağ | 0 | | | Sadam Magomedov | 5 |
| | | | | Džemal Bošnjak | 0 |
| | | Džemal Bošnjak | 5 | | |
| | | Simonas Urbonavičius | 0 | | |
| | | | | | | Sadam Magomedov | 0 |
| | | | | | | Julio César La Cruz | 5 |
| | | Aleksandar Mraovic | 1 | | | | |
| | | Toufan Sharifi | 4 | | | | |
| | | | | Toufan Sharifi | 0 | | |
| | | | | Julio César La Cruz | 5 |
| | | Julio César La Cruz | 5 | | |
| | | Radoslav Pantaleev | 0 | | |

#### Section 2

| First round | First round | Second round | Second round | Third round | Third round | Quarterfinals | Quarterfinals |
| | | Indrit Laci | 0 | | |
| | | Lewis Williams | 5 | | |
| Lewis Williams | 5 | Lewis Williams | 5 | | |
| Rauf Rahimov | 0 | | | | |
| Rauf Rahimov | 0 | | | Lewis Williams | 3 |
| | | | | Robert Marton | 2 |
| | | Aljaž Ban | 1 | | |
| | | Robert Marton | 4 | | |
| | | | | | | Lewis Williams | 0 |
| | | | | | | Madiyar Saydrakhimov | 5 |
| | | Mateusz Bereźnicki | 1 | | | | |
| | | Aibek Oralbay | 4 | | | | |
| | | | | Aibek Oralbay | 1 | | |
| | | | | Madiyar Saydrakhimov | 4 |
| Uladzislau Smiahlikau | 5 | | | Madiyar Saydrakhimov | 4 |
| Joshua Wasike | 0 | | | | |
| Joshua Wasike | 0 | Uladzislau Smiahlikau | 0 | | |
| | | Madiyar Saydrakhimov | 5 | | |

### Bottom half
#### Section 3

| First round | First round | Second round | Second round | Third round | Third round | Quarterfinals | Quarterfinals |
| | | Toni Filipi | 0 | | |
| | | Aziz Abbes Mouhiidine | 5 | | |
| Aziz Abbes Mouhiidine | 5 | Aziz Abbes Mouhiidine | 5 | | |
| Narek Manasyan | 0 | | | | |
| Narek Manasyan | 0 | | | Aziz Abbes Mouhiidine | 5 |
| | | | | Julio Castillo | 0 |
| | | Julio Castillo | 5 | | |
| | | Rustam Yrysbek Uulu | 0 | | |
| | | | | | | Aziz Abbes Mouhiidine | 5 |
| | | | | | | Sanjeet Kumar | 0 |
| | | Andrei Stotskii | 1 | | | | |
| | | Sanjeet Kumar | 4 | | | | |
| | | | | Sanjeet Kumar | 4 | | |
| | | | | Giorgi Tchigladze | 1 |
| Michel Erpelding | 0 | | | Giorgi Tchigladze | 1 |
| Giorgi Tchigladze | 5 | | | | |
| Giorgi Tchigladze | 5 | Giorgi Tchigladze | 5 | | |
| | | Dariusz Lassotta | 0 | | |

#### Section 4

| First round | First round | Second round | Second round | Third round | Third round | Quarterfinals | Quarterfinals |
| | | Abdul Qadir Ghafar | 1 | | |
| | | Andrei Zaplitnîi | 4 | | |
| | | | | Andrei Zaplitnîi | 0 |
| | | | | Jamar Talley | 5 |
| | | Parviz Karimov | 0 | | |
| | | Jamar Talley | 5 | | |
| | | | | | | Jamar Talley | 1 |
| | | | | | | Enmanuel Reyes | 4 |
| | | Dávid Michálek | 0 | | | | |
| | | Hussein Ishaish | 5 | | | | |
| | | | | Hussein Ishaish | 0 | | |
| | | | | Enmanuel Reyes | 5 |
| Enmanuel Reyes | 4 | | | Enmanuel Reyes | 5 |
| Vagkan Nanitzanian | 1 | | | | |
| Vagkan Nanitzanian | 1 | Enmanuel Reyes | 5 | | |
| | | Soheb Bouafia | 0 | | |