Daguan may refer to:
- Daguan District, in Anqing, Anhui, China.
- Daguan County, in Zhaotong, Yunnan, China.
- Daguan Park in Kunming, China.
- Daguan Yuan, a large garden in the classic novel Dream of the Red Chamber.
- Daguan, an era name of the Chinese Ming Dynasty emperor Huizong of Song.