Yu Chuansu (庾傳素) was an official of the Chinese Five Dynasties and Ten Kingdoms period state Former Shu, serving two terms as chancellor.
[1] As of 910, Yu was serving as deputy minister of census (戶部侍郎, Hubu Shilang) and the acting director of treasury (判度支, Pan Duzhi) when Wang Jian gave him the title of Zhongshu Shilang (中書侍郎, deputy head of the legislative bureau of government (中書省, Zhongshu Sheng)) and gave him the designation Tong Zhongshu Menxia Pingzhangshi (同中書門下平章事), making him a chancellor.
Mao was exiled, while Yu was removed from his chancellor position and made the minister of public works (工部尚書, Gongbu Shangshu).
Later, Wang Yan made Yu Chuansu Zhongshu Shilang and chancellor again, as well as gave him the honorary title of Taizi Shaobao (太子少保).
[1] In particular, he and fellow chancellor Wang Kai were described as concerned with protecting themselves and failing to correct the wasteful and frivolous ways of the young emperor.