| Conflict: | Battle of Chinhai |
| Partof: | the First Opium War |
| Date: | 10 October 1841 |
| Place: | Zhenhai, Zhejiang, China |
| Coordinates: | 29.96°N 121.72°W |
| Result: | British victory |
| Combatant1: | |
| Combatant2: | Qing China |
| Commander1: | Viscount Gough |
| Commander2: | Commissioner Yukien General Yu Pu-yun |
| Strength1: | 10 ships 2,098[1] |
| Strength2: | 8,000–9,000 157+ guns[2] |
| Casualties1: | 3 killed[3] 16 wounded |
| Casualties2: | several hundred casualties[4] 157 guns captured[5] |
The Battle of Chinhai was fought between British and Chinese forces in Chinhai (Zhenhai), Zhejiang province, China, on the 10 October 1841 during the First Opium War. The Chinese force consisted of a garrison of Manchu and Mongol Bannermen. The British capture of this city allowed them to seize Ningbo unopposed on 13 October.