| Office1: | Chinese Ambassador to Poland |
| Term Start1: | 2010 |
| Term End1: | 2012 |
| Predecessor1: | Sun Rongmin |
| Successor1: | Xu Jian |
| Office2: | Chinese Ambassador to Italy |
| Term Start2: | 2008 |
| Term End2: | 2010 |
| Predecessor2: | Dong Jinyi |
| Successor2: | Ding Wei |
| Office3: | Chinese Ambassador to India |
| Term Start3: | 2005 |
| Term End3: | 2007 |
| Predecessor3: | Hua Junduo |
| Successor3: | Zhang Yan |
| Office4: | Chinese Ambassador to Afghanistan |
| Term Start4: | 2002 |
| Term End4: | 2005 |
| Predecessor4: | Huang Mingda |
| Successor4: | Liu Jian |
| Office5: | Deputy Director of the Foreign Ministry Information Department of China |
| Term Start5: | 1998 |
| Term End5: | 2002 |
| Sun Yuxi | |
| Native Name: | 孙玉玺 |
| Native Name Lang: | zh |
| Birth Place: | Harbin, Heilongjiang, China |
| Alma Mater: | Beijing Foreign Studies University London School of Economics |
Sun Yuxi (born October 1951) was a Chinese diplomat. He was born in Harbin, Heilongjiang. He was a graduate of Beijing Foreign Studies University and the London School of Economics. He was Ambassador of the People's Republic of China to Afghanistan (2002–2005), India (2005–2007), Italy (2008–2010) and Poland (2010–2012). He was spokesperson for the Ministry of Foreign Affairs of the People's Republic of China and deputy director of its information department.[1]