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.