Suan can refer to:
- Suan, Átlantico, Colombia
- Suan County, a county of North Hwanghae Province, North Korea
- Suan Station, a station of the Busan Subway, South Korea
- a minor Kazakh Jüz "horde", numbering ca. 30,000
- Suan (song), Irish lullaby written by Irish Songwriter Liz Madden.