The 2025 Hawaii Rainbow Warriors baseball team represent the University of Hawaiʻi at Mānoa during the 2025 NCAA Division I baseball season. Hawaii is competing in the Big West Conference. The Rainbow Warriors played their home games at Les Murakami Stadium. Coach Rich Hill is leading the Rainbow Warriors in his fourth season with the program.
Previous season.
The 2020 Hawaii Rainbow Warriors baseball team notched an 37–16 (20–10) regular-season record during the 2024 season. The Rainbow Warriors finished third in the Big West Conference. Hawaii did not receive an at-large berth into the NCAA tournament. 
Offseason.
Departures.
2024 MLB Draft.
No Hawaii players were selected in the 2024 MLB draft.
Preseason.
Coaches poll.
The coaches poll was released on February 7, 2025. Hawaii was selected to finish fourth the conference.