Taiyu may refer to:
- Taiwanese Hokkien, a variety of Southern Min Chinese spoken in Taiwan
- (Japanese: ), a concept in East Asian Buddhism
- Taiyū, Akita, a former village in Japan
- Taiyū-ji, a Buddhist temple in Osaka Prefecture, Japan
People and fictional characters with the given name
- Wang Daiyu (; ), Chinese Muslim scholar
- Lin Daiyu (), character in the 18th-century novel Dream of the Red Chamber
See also
- Languages of Taiwan
- Tayu (disambiguation)
- Yutai County, Shandong, China