Renwu District or Jenwu District () is a district of Kaohsiung City in southern Taiwan.
After the handover of Taiwan from Japan to the Republic of China in 1945, Renwu was organized as a rural township of Kaohsiung County. On 25 December 2010, Kaohsiung County was merged with Kaohsiung City and Renwu was upgraded to a district of the city.
It has 97,155 inhabitants as of October 2023 and an area of 36.0808 km<sup>2</sup>.
The district consists of Dawan, Wannei, Kaotan, Wulin, Renfu, Renwu, Wenwu, Zhuhou, Bagua, Gaonan, Houan, Zhonghua, Wuhe, Renhe, Chishan and Renci Village.
Renwu is served by National Freeway 1 and National Freeway 10, as well as Provincial Highway 1. Taiwan Railway's Western Trunk line and Taiwan High Speed Rail both pass through Renwu, but no station is currently planned.