Yeo Ning Hong DUBC (Chinese: 杨林丰; pinyin: Yáng Línfēng; born 3 November 1943) is a Singaporean former politician. A former member of the governing People's Action Party (PAP), he had served in the Cabinet as Minister for Defence and Minister for Communications and Information and was a Member of Parliament (MP) in the 1980s and 1990s. Since retiring from politics, Yeo has been serving as Executive Chairman of the Singapore Technologies Group and Chairman of the Port of Singapore Authority (PSA). He has also published several books under the pen name "Adrian Yeo".