Sun Yun-suan (Chinese: ???; pinyin: Sun Yùnxuán; 10 November 1913 – 15 February 2006) was a Chinese engineer and politician.
As minister of economic affairs from 1969 to 1978 and Premier of the Republic of China from 1978 to 1984, he was credited for overseeing the transformation of Taiwan from being a mainly agricultural economy to an export powerhouse.