BGZ may refer to:

• Braga Airport, Portugal (by IATA code)
• Banggai language (by ISO 639 code)
• Bank BGŻ BNP Paribas, (bank), Poland
• BGŻ Arena, a velodrome in Pruszków, Poland

• Multi-National Force in Iraq
• Multinational Force in Iraq
• Multinational force in Iraq/bad
• Multinational Force in Lebanon
• Multi-National Force-Iraq
• Multi-National Force - Iraq
• Multi-National Force West
• Multi-National Force - West
• Multi-National Force – Iraq
• Multinational Interoperability Programme
• Multinational Publication Electronic Library
• Multinational publications electronic library
• Multinational Publications Electronic Library
• Multinational real estate investment trusts
• Multinationals
• Multi-National Security Transition Command Iraq
• Multi-National Security Transition Command – Iraq
• Multi-necked bass guitar
• Multi-neck guitar
• Multinomial identity
• Multinomial logistic regression
• Multinomial series
• Multinormal distribution
• Multinova
• Multinucleate