Daniel Tsai (Chinese: 蔡明忠; pinyin: Cài Míngzhōng;[2] born 1956 or 1957[1]) is a Taiwanese billionaire businessman.

He and his brother Richard Tsai run Fubon Financial Holding Co., founded by their father Tsai Wan-tsai.

[1] As of April 2022, his net worth was estimated at US$4.9 billion.

from the Georgetown University Law Center, where he studied international trade and negotiation, in 1979.

[3] Tsai resides in Taipei, Taiwan.