PMM may refer to:

• Makarov PMM, a variant of the Makarov PM pistol
• Pacific Meridional Mode
• Partido ng Manggagawa at Magsasaka, a Philippine political party
• Pectoralis minor muscle
• Perchloromethyl mercaptan, a synthetic intermediate
• Percona Monitoring and Management
• Permanent magnet motor
• Permanent Multipurpose Module of the International Space Station
• Perpetual motion machine
• Plant matrix metalloproteinase
• Predictive mean matching, a statistical imputation method
• Prime Minister of Malaysia (Malay: Perdana Menteri Malaysia)
• Printing and the Mind of Man
• Product Marketing Manager
• Public Money & Management, an academic journal