The 1980 Senior League World Series took place from August 18–23 in Gary, Indiana, United States. Pingtung, Taiwan defeated Kaneohe, Hawaii in the championship game. It was Taiwan's ninth straight championship.

Teams United States International Berwick, PennsylvaniaEast Thunder Bay, OntarioCanada Chicago, IllinoisNorth Aviano, ItalyAviano Air BaseEurope Houston, TexasSouth Pingtung, TaiwanFar East Kaneohe, HawaiiWest Maracaibo, VenezuelaLatin America

Results Thunder Bay Wins. Medicine Hat NewsSports. Clearfield ProgressKaneohe Thunders Past Ontario. Honolulu Star-AdvertiserHawaii Moves Into Semifinal Round. Kokomo TribuneKaneohe Bows to Taiwan. Honolulu Star-Advertiser

1980 Senior League World Series ChampionsPingtung, Taiwan

References