Stan Chen-Jung Shih[1] (Chinese: 施振榮; pinyin: Shī Zhènróng; Wade–Giles: Shih Chen-Jung; Tâi-lô: Si Tsìn-îng; born 18 December 1944) is a Taiwanese businessman and engineer who is the co-founder and honorary chairman of Acer Inc.

In 1976, after receiving bachelor's and master's degrees in electronic engineering from National Chiao Tung University, Shih founded Multitech with his wife Carolyn Yeh and five partners.

During Shih's tenure, Acer has grown from a local technology company to one of the largest companies by revenue in Taiwan; Acer itself became a recognized worldwide brand in consumer computer technology.

Shih remained active in charity work during his retirement, including serving as Taiwan's Special Envoy in the APEC Australia 2007.

He is the Chairman of Cloud Gate Culture and Arts Foundation, the Head of Taiwan Connection Fun Club, One Song Orchestra Fun Club, the Convener of the Cultural Tech Alliance, Taiwan and the Chairman of CT Ambi Investment and Consulting Inc.