Mansi may refer to:
- Mansi people, an Indigenous people of Russia
- Mansi (name), given name and surname
- Mansi Junction railway station
- Mansi, Myanmar, a town in the Kachin State of Myanmar (Burma)
- Mansi Township, Myanmar
- Mansi, Banmauk, a village in Myanmar (Burma)
- Lake Mansi
- Villa Mansi