| 2013 | |
 | |
| Tournament information | |
|---|---|
| Location | United States |
| Dates | September 15–October 4 |
| Administrator | Riot Games |
Tournament format(s) | 10 team round-robin group stage 8 team single-elimination bracket |
| Venue(s) | 3 (in 1 host city) |
| Teams | 14 |
| Purse | $2,050,000 |
| Final positions | |
| Champions | SK Telecom T1 |
| Runner-up | Royal Club |
| Tournament statistics | |
| Matches played | 63 |
The Season 3 World Championship was an esports tournament for the multiplayer online battle arena video game League of Legends. It was the third iteration of the League of Legends World Championship held by Riot Games, and the last iteration not to be formally titled after the year it took place.
SK Telecom T1 defeated Royal Club 3–0 in the finals and took their first championship.