Ming Zhu (明珠), full name Na Lan Ming Zhu, a manchu, was an eminent and powerful Qing Dynasty official during the reign of Kangxi. He presented himself to young Kangxi when Kangxi visited his friend Wu Ciyou , who is actually the unofficial imperial teacher of Kangxi. He became a "Zhong Tang", which was a high ranking official but was sent to prison for corruption and various other charges in his final years.

He was a brother of Hui Fei , a concubine of Emperor Kangxi who bore the emperor his first surviving son.