Gunma Diamond Pegasus

• Location: Takasaki, Gunma
• League: Baseball Challenge League 2008-
• Affiliation: Independent
• Ballpark: Takasaki City Jonan Baseball Stadium

The Gunma Diamond Pegasus are a team in Japan's Baseball Challenge League, formed in 2008 and based in Gunma Prefecture. The team won titles in 2009, 2014 and 2016. Alex Ramirez was a player-coach in 2014.

Managers

• 2008-2011: - Shinji Hata
• 2012-2013: - Akihito Igarashi
• 2014-2015: - Tetsuro Kawajiri
• 2008-2011: - Shinji Hata
• 2016-2019: - Ken Hirano
• 2020-2022: - Rui Makino
• 2023: - Tetsu Suzuki
• 2024-: - Masahiro Takahashi