Niigata (新潟, "New Lagoon") may refer to:
- Niigata Prefecture, Japan
- Niigata (city), the capital of the prefecture
- Albirex Niigata, the city's professional football club
- Niigata Transys, a Japanese railway vehicle manufacturer
- Niigata Stadium, now Denka Big Swan Stadium, an athletic stadium in Niigata, Japan.