| Event: | Men's light welterweight boxing |
| Games: | 2012 Summer |
| Venue: | ExCeL Exhibition Centre |
| Date: | 31 July to 11 August |
| Competitors: | 28 |
| Nations: | 28 |
| Gold: | Roniel Iglesias |
| Goldnoc: | CUB |
| Silver: | Denys Berinchyk |
| Silvernoc: | UKR |
| Bronze: | Vincenzo Mangiacapre |
| Bronzenoc: | ITA |
| Bronze2: | Uranchimegiin Mönkh-Erdene |
| Bronzenoc2: | MGL |
| Longnames: | true |
| Prev: | 2008 |
| Next: | 2016 |
The men's light welterweight boxing competition at the 2012 Olympic Games in London was held from 31 July to 11 August at the ExCeL Exhibition Centre.
Twenty-eight boxers from 28 nations competed.
The competition consisted of a single-elimination tournament. Bronze medals were awarded to both semi-final losers. Bouts were three rounds of three minutes each.[1]
All times are British Summer Time (UTC+1)
| Date | Time | Round | ||||
|---|---|---|---|---|---|---|
| Tuesday 31 July 2012 | 14:45 & 21:45 | Round of 32 | ||||
| Saturday 4 August 2012 | 14:30 & 21:30 | Round of 16 | ||||
| Wednesday 8 August 2012 | 21:30 | Quarter-finals | ||||
| Friday 10 August 2012 | 14:30 | Semi-finals | ||||
| style=background:lemonchiffon | Saturday 11 August 2012 | style=background:lemonchiffon | 21:15 | style=background:lemonchiffon | Final |