| Event: | Men's 68 kg |
| Games: | 2008 Summer |
| Venue: | Beijing Science and Technology University Gymnasium |
| Date: | 21 August 2008 |
| Competitors: | 16 |
| Nations: | 16 |
| Gold: | Son Tae-Jin[1] |
| Goldnoc: | KOR |
| Silver: | Mark López |
| Silvernoc: | USA |
| Bronze: | Servet Tazegül |
| Bronzenoc: | TUR |
| Bronze2: | Sung Yu-Chi |
| Bronzenoc2: | TPE |
| Prev: | 2004 |
| Next: | 2012 |
The men's 68 kg competition in taekwondo at the 2008 Summer Olympics in Beijing took place on August 21 the Beijing Science and Technology University Gymnasium.
The main bracket consisted of a single elimination tournament, culminating in the gold medal match. Two bronze medals were awarded at the taekwondo competitions. A repechage was used to determine the bronze medal winners. Every competitor who lost to one of the two finalists competed in the repechage, another single-elimination competition. Each semifinal loser faced the last remaining repechage competitor from the opposite half of the bracket in a bronze medal match.[2]
All times are China standard time (UTC+8)