| 1998 Junior League World Series | |
| Start Date: | August 17 |
| End Date: | 22 |
| Champion: | --> Mission Viejo, California |
| Runner-Up1: | --> Waco, Texas |
| Runner-Up2: | --> |
| Previous: | 1997 |
| Next: | 1999 |
The 1998 Junior League World Series took place from August 17–22 in Taylor, Michigan, United States. Mission Viejo, California defeated Waco, Texas twice in the championship game.
| United States | International | |
|---|---|---|
| Fort Wayne, Indiana Georgetown Central |  Surrey, British ColumbiaWhalley Canada | |
| Meriden, Connecticut Ed Walsh East | Ramstein, Germany Ramstein Europe | |
| Waco, Texas Midway South |  Guadalupe, Nuevo LeónLinda Vista Mexico | |
| Mission Viejo, California South Mission Viejo West |  Arroyo, Puerto RicoHermanos Cruz Puerto Rico |