The 2025 Little League Baseball World Series was a youth baseball tournament that took place from August 13 to August 24 at the Little League headquarters complex in South Williamsport, Pennsylvania. Ten teams from the United States and ten teams from other countries competed in the 78th edition of the Little League World Series (LLWS). Tung-Yuan Little League from Chinese Taipei defeated Summerlin South Little League from Las Vegas, Nevada in the championship game by a score of 7–0, giving Chinese Taipei their first championship since 1996.

Regional qualifying tournaments were held from February to August 2025.

^a Taiwan, due to complicated relations with People's Republic of China, is designated "Chinese Taipei" by international organizations including Little League Baseball (LLB). For more information, please see Cross-Strait relations.

The draw to determine the opening round pairings took place on June 11, 2025.

The Tung-Yuan LL reached the LLWS with a record of 6–1. In total, their record was 11–1, with their only loss coming from North Seoul B LL (from South Korea). It was the first time since 2015 that Tung-Yuan had appeared in a Little League World Series, Tung-Yuan's first win since 1972, and the first championship won by a Taiwanese team since 1996.

On August 18, 2024, it was announced that the eighth MLB Little League Classic would feature the New York Mets and the Seattle Mariners on August 17. The Mets defeated the Mariners, 7–3.