Boxing at the 2015 Indian Ocean Island Games was held at Gymnase Nelson Mandela, Saint-Pierre, Réunion.
| Light flyweight | Kevin Tsang Hing Lam|Réunion|code=RUN}} | Lalaina Rabenarivo|MAD}} | Jean-David Rolfo|MRI}} |
| Flyweight | Marcus Gévia|Réunion|code=RUN}} | Ludovic Bactora|MRI}} | Rutchie Tombo|MAD}} |
| Featherweight | {{flagmedalist|Jean Jordy Vadamootoo|MRI}} | {{flagmedalist|Heritovo Sitrakiniaina Rakotomanga|MAD}} | Alvin Botsoie|SEY}} |
| Jordan Rodriguez|Réunion|code=RUN}} |
| Lightweight | Eric Dagard|Réunion|code=RUN}} | Andrique Allisop|SEY}} | John Colin|MRI}} |
| Light welterweight | {{flagmedalist|Richarno Colin|MRI}} | {{flagmedalist|Nomenjanahary Julien Rajaonarison|MAD}} | Bertrand Pasquin|Réunion|code=RUN}} |
| Lorenzo Bonne|SEY}} |
| Welterweight | Félix Morvan|Réunion|code=RUN}} | Alva Botsoie|SEY}} | Jean-Luc Rosalba|MRI}} |
| Middleweight | {{flagmedalist|Merven Clair|MRI}} | {{flagmedalist|Jean Jovet|SEY}} | Georges Castel|Réunion|code=RUN}} |
| Haja Takaloniaina|MAD}} |
| Light heavyweight | Clément Hong Sik Kee|Réunion|code=RUN}} | Clément Olivier|MRI}} | Nigel Benoit|SEY}} |
| Heavyweight | {{flagmedalist|Keven Kilindo|SEY}} | {{flagmedalist|Florent Kaouachi|Réunion|code=RUN}} | Rodolphe Randrimanantena|MAD}} |
| Jacques Raphael|MRI}} |
| Super heavyweight | Keddy Agnes|SEY}} | Emmanuel Payet|Réunion|code=RUN}} | Danilo Gaspard|MRI}} |