BMZ may refer to:

• Basement membrane zone
• Federal Ministry of Economic Cooperation and Development or Bundesministerium für wirtschaftliche Zusammenarbeit und Entwicklung in German
• BMZ GmbH, system provider and specialist for smart battery solutions.
• BMZ Group, a Turkish shipping company

• Roberton
• Roberto Nantevil
• Roberto Narducci
• Roberto Nascimento dos Santos
• Roberto Navarro
• Roberto Navarro Gonzalez
• Roberto Naveira
• Roberton (disambiguation)
• Robert O'Neill
• Robert O'Neill (disambiguation)
• Roberto Nicolás Saucedo
• Roberton,Lanarkshire
• Roberto Noble
• Robert Onsare Monda
• Roberton, Scottish Borders
• Roberton, South Lanarkshire
• Roberto Nurse
• Roberto "Obet" Pagdanganan
• Roberto Octavio Gonzalez Nieves
• Roberto Orlando Affonso Junior
• Roberto Orlando Affonso Júnior
• Roberto Ortiz (baseball)
• Roberto Ortiz (boxer)
• Roberto Ortiz (disambiguation)
• Robert Oosthuizen