| Mianzhi | |
| Prince Yi of the Second Rank Chinese: 多羅儀郡王 | |
| Succession: | Head of the House of Prince Yi peerage |
| Reign: | 1832–1834 |
| Reign-Type: | Tenure |
| Predecessor: | Yongxuan |
| Successor: | Yiyin |
| Birth Date: | 3 May 1768 |
| Posthumous Name: | Prince Yishun of the Second Rank (儀順郡王) |
| Spouse: | Lady Guwalgiya |
| Issue: | Yiji Yiyin Yicai |
| Father: | Yongxuan |
| Mother: | Wang Yuying |
Mianzhi (; 3 May 1768 - 19 May 1834) was Qing dynasty imperial prince and Qianlong Emperor's grandson.
Mianzhi was born on 3 May 1768 as the eldest son of Yongxuan.[1] His mother was Wang Yuying, a servant in the prince's manor.[2]
He was holding a title of lesser bulwark duke until 1803, when he was promoted to the prince of the fourth rank. His deceased biological mother was bestowed a title of secondary consort in 1805.[3] In 1809, he was granted a title of third-ranking prince.[4] He had a status of Prince of the Second Rank in two terms: 1813-1815 and 1819[5] -1823. In 1832, he inherited a peerage as a junwang.[6] Mianzhi died on 19 May 1834 and was posthumously conferred a title "Prince Yishun of the Second Rank (多罗仪顺郡王, "yishun" meaning "virtuous and obedient").