| Dates: | August 19–August 23 |
| Num Teams: | 8 |
| Champion Other: |  Tainan Park Little LeagueTainan Park, Taiwan |
| Second Other: |  International Little LeagueTucson, Arizona |
The 1986 Little League World Series took place between August 19 and August 23 in Williamsport, Pennsylvania. The Tainan Park Little League of Tainan Park, Taiwan, defeated the International Little League of Tucson, Arizona, in the championship game of the 40th Little League World Series.[1]
| United States | International | |
|---|---|---|
| Norridge, Illinois Central Region Norridge Little League | Valleyfield, Quebec Canada RegionValleyfield Little League | |
| Brunswick, Maryland East Region Brunswick Little League |  Madrid, SpainEurope Region Torrejon Air Base Little League | |
| Sarasota, Florida South Region American Little League | Tainan Park, Taiwan Far East Region Tainan Park Little League | |
| Tucson, Arizona West Region International Little League | Maracaibo, Venezuela Latin America Region Coquivacoa Little League |