Zhao Sun (趙損) (died 941) was an official of the Chinese Five Dynasties and Ten Kingdoms Period state Southern Han, serving for about a year as a chancellor.
[1] In 908, Later Liang's emperor Zhu Quanzhong sent Zhao Guangyi and another official, Li Yinheng, to bestow the Later Liang vassal, the warlord Liu Yin, the titles of military governor (Jiedushi) of Qinghai (清海, headquartered in modern Guangzhou, Guangdong) and Jinghai (靜海, headquartered in modern Hanoi, Vietnam) Circuits.
After the ceremony, however, Liu Yin did not allow Zhao or Li to return to the Later Liang court, but kept them to serve on his staff.
[1] Zhao Sun himself rose in the ranks of the Southern Han imperial government, eventually becoming chief imperial scholar (翰林學士承旨, Hanlin Xueshi Chengzhi) and Shangshu Zuocheng (尚書左丞), one of the secretaries general at the executive bureau of government (尚書省, Shangshu Sheng).
[4] After Zhao Guangyi's death, Liu Yan commissioned Zhao Sun as chancellor (with the designation Tong Zhongshu Menxia Pingzhangshi (同中書門下平章事)) as well as Menxia Shilang (門下侍郎, deputy head of the examination bureau (門下省)).