Memory manager may refer to:

• Memory management, a form of resource management applied to computer memory
• Memory management unit, primarily performing the translation of virtual memory addresses to physical addresses
• DOS memory management
  • Expanded memory manager (EMM)
  • Extended memory manager (XMM)
    • HIMEM.SYS
  • 80386 memory manager, may manage both expanded and extended memory
    • 386MAX
    • CEMM
    • EMM386
    • QEMM