| Zhu Jianjum | |
| Succession: | Prince of Ji (吉王) |
| Reign: | 1457–16 August 1527 |
| Reign-Type: | Tenure |
| Full Name: | Zhu Jianjun (朱见浚) |
| Birth Date: | 11 July 1456 |
| Death Date: | Xuande 1, 6th day of the 9th month (宣德元年九月初六日) |
| Posthumous Name: | Prince Jian of Ji 吉簡王 |
| House: | Zhu |
| Father: | Emperor Yingzong |
| Mother: | Consort Chen |
| Issue: | Zhu Youfu Princess Shanhua |
Zhu Jianjun (; 11 July 1456 – 16 August 1527) was the seventh son of Emperor Yingzong of Ming. His mother was one of his father's concubines, Consort Chen. He was the first Prince of Ji .
Zhu Jianjun was born on 11 July 1456, during the time when Emperor Yingzong was under house arrest in the Southern Palace. In 1457, Yingzong was restored to the throne, and on 30 March of the same year, he was given the title of Prince of Ji. On 25 October 1477,[1] he was sent to his princedom in Changsha prefecture.
Zhu Jianjun was a man of strong moral character who constantly reminded himself to do good deeds. He made a visit to the Yuelu Academy to explore the remains of ancient sages and had a portrait of one of them made, along with a copy of the Book of Documents, which he often looked at. In his free time, he enjoyed writing and also read Jia Dafu Xinshu (; presumably referring to Jia Yi's Jiazi Xinshu).
After ruling for fifty years, he died on 16 August 1527 at the age of 72. He was given the posthumous name "Jian" . Unfortunately, his heir, Zhu Youfu, died early and was given the posthumous name "Dao" . His grandson, Zhu Houfu, succeeded him as the Prince of Ji two years later.
His daughter, Princess Shanhua, married Shi Ce (史策).
Zhu Jianfan (; 1883–1932) was a close friend of Mao Zedong and a revolutionary educator in China. He was also the father-in-law of Xiao Jingguang and Wang Jiaxiang.