Yongkang District (Chinese: 永康區; pinyin: Yǒngkāng Qū; Pe̍h-ōe-jī: Éng-khong Khu) is a district home to 234,351 people in Tainan, Taiwan.

Its population experienced a large increase during the 1970s, and Yongkang became the largest city in Tainan County in 1977.

On 1 May 1993 Yongkang was upgraded from rural township to a county-administered city since its population exceeded 150,000.

Though the increase in population today is not as rapid as it was before, Yongkang still enjoys the steady growth envied by other cities or towns.

The district consists of Wuwang, Wangliao, Yongkang, Puyuan, Daqiao, Wanghang, Wuzhu, Niaosong, Sanmin, Yanhang, Jiading, Dawan, Tungwan, Xiwan, Nanwan, Kunshan, Beiwan, Xinshu, Fuxing, Fuguo, Jianguo, Shenzhou, Xishi, Chenggong, Zhongxing, Shengli, Longtan, Guangfu, Yanzhou, Erwang, Liuge, Sange, Tungqiao, Ankang, Xiqiao, Shangding, Fuhua, Zhengjiang, Zhonghua, Beixing, Longpu, Yongming and Yanxing Village.