• PL/M, a computer programming language
• Product lifecycle management, the process of managing the entire lifecycle of a product
• Sultan Mahmud Badaruddin II Airport (IATA airport code: PLM), in Palembang, Indonesia
• Pamantasan ng Lungsod ng Maynila (PLM), University of the City of Manila
• Chemins de fer de Paris à Lyon et à la Méditerranée (PLM), a French railway company
• Partido Liberal Mexicano, a pre-1910 Revolution Mexican political party

PLM may also be:

• A Payload Module on a satellite or spacecraft, such as the SOHO Payload Module (PLM)

See also:

• PLMD
• Product Lifecycle Management
• Product Life Cycle Management