| Cheng Tsao-Ju | |
| Term Start: | April 19 |
| Term End: | July 26, 1885 |
| Alongside: | Yinian |
| Predecessor: | Zhang Xukai |
| Successor: | Shao Yuelian |
| Term Start1: | June 24, 1881 |
| Term End1: | July 26, 1885 |
| Successor1: | Zhang Yinhuan |
| Birth Date: | 1827 |
| Occupation: | politician, diplomat |
| Signature: | CHENG TSAO JU (Zheng Zaoru) Signature in English.png |
Cheng Tsao-Ju (; 1827–1894), courtesy name Zhixiang, was the second Chinese Ambassador to the United States during the Qing dynasty.
In 1851, he passed the provincial examination and was subsequently assigned to work in the Shanghai Machinery Bureau. During the Guangxu period, he was transferred to the Tianjin Customs Road in Zhili.[1] In 1881, he was appointed as the imperial envoy to the United States, Spain and Peru. Later, he served as the cabinet minister and minister of Honglu Temple. In the tenth year of Guangxu's reign (1884), he served as deputy envoy of the General Affairs Department, and the following year he was promoted to minister of Guanglu Temple.[2]