The Chiba Port Arena (千葉ポートアリーナ, Chiba Pōto Arīna) is an indoor arena in Chiba, Japan. Chiba Jets Funabashi plays some games here as the second home arena.

• Main arena - 2,730 sqm （63.5m×40m）
• Sub arena - 769.6 sqm （38.0m×22m）

35°36′11″N 140°6′42″E / 35.60306°N 140.11167°E / 35.60306; 140.11167

• Volkswagen Ogimura Cup 2007 (Table Tennis)
• The 65th All Japan Gymnastics Championships
• Yonex BWF World Junior Badminton Championships
• 2014 Japan Para wheelchair rugby competitions
• The 68th All Japan Gymnastics Championship
• 2014 All Japan High School Sports Meeting (Badminton)
• 2021 Asian Men's Volleyball Championship

• Chiba Monorail: 8-min walk from Shiyakusho-mae Station.
• Train: 16-min walk from Chiba Station.
• Alternatively, 15-min walk from Chibaminato Station. (JR Keiyo Line); or take monorail to Shiyakusho-mae Station, and 12-min walk from Chiba Chuo Station (Keisei Line).
• Bus: From Chiba Sta. or Chiba Chuo Sta. Get off at Port Arena.
• Alternatively, Chiba Kaihin Kotsu Bus for Saiwaimachi Danchi, Inage Kaigan, Kaihin Hospital. Get off at Port Arena.