2018 Intermediate League World Series
| Tournament information | |
|---|---|
| Location | Livermore, California | 
| Dates | July 29–August 5 | 
| Final positions | |
| Champions | Seoul, South Korea | 
| Runner-up | Livermore, California | 
The 2018 Intermediate League World Series took place from July 29–August 5 in Livermore, California. Seoul, South Korea defeated host Livermore, California in the championship game.
The debut of the Australia Region raised the total number of teams to 12.