Yancheng District (Chinese: 鹽埕區; pinyin: Yánchéng Qū; Wade–Giles: Yen²-chʻêng² Chʻü¹) is a district in Kaohsiung City, Taiwan. It is the smallest district in Kaohsiung City. It has been the least populous district of Kaohsiung since 2004. Yancheng District is also an old town of Kaohsiung.