| Daniel Tsai | |
| Native Name: | 蔡明忠 |
| Education: | National Taiwan University (LLB) Georgetown University (LLM) |
| Children: | 4 |
| Parents: | Tsai Wan-tsai (father) |
| Relatives: | Richard Tsai (brother) |
Daniel Tsai (;[1] born 1956 or 1957) is a Taiwanese billionaire businessman. He and his brother Richard Tsai run Fubon Financial Holding Co., founded by their father Tsai Wan-tsai. As of April 2022, his net worth was estimated at US$4.9 billion.[2]
Tsai earned an LL.M. from the Georgetown University Law Center, where he studied international trade and negotiation, in 1979.[3]
Tsai resides in Taipei, Taiwan. He is married and has four children.