Lee Ta-hai (simplified Chinese: ???; traditional Chinese: ???; pinyin: Li Dáhai; 1919–1995) was a politician and businessman in the Republic of China (ROC) on Taiwan.
A former executive of the Chinese Petroleum Corporation, Lee was Minister of Economic Affairs under President Chiang Ching-kuo and continued to advise the Republic of China government under Chiang's successor, Lee Teng-hui.