Es Con Field Hokkaido is a baseball stadium located in Kitahiroshima, Hokkaido, Japan. The ballpark is owned by and operated by Nippon Ham, which has used it as the home field for the Hokkaido Nippon-Ham Fighters of Nippon Professional Baseball (NPB) since its opening in 2023. Designed by Obayashi Corporation and HKS Architects, the stadium has capacity for 35,000 people. It is Japan's second retractable roof facility and its asymmetrical playing surface is only the third natural turf field in NPB. The area immediately surrounding the stadium is being developed into Hokkaido Ballpark F Village, an entertainment district that holds commercial facilities and restaurants.