Seo-gu (), or "Western District (disambiguation), Western District," is the name of a ''gu'' in several South Korean cities:
* Seo-gu, Busan
* Seo-gu, Daegu
* Seo-gu, Daejeon
* Seo-gu, Gwangju
* Seo-gu, Incheon
{{set index
Lists of places sharing the same name