| Bāo Sì 褒姒 | |
|---|---|
| Queen of China | |
 An 18th-century depiction of Bao Si | |
| Reign | 779/771 – 771 BC |
| Spouse | King You of Zhou |
| Issue | Bofu |
| House | Zhou dynasty |
Bao Si (Chinese: 褒姒; pinyin: Bāo Sì; Wade–Giles: Pao Ssu) was the concubine of the ancient Chinese sovereign King You of Zhou. She was considered one of the most beautiful Chinese women ever. [citation needed]