IID (disambiguation)

• 2D (disambiguation)
• IID (company)
• IPv6
• IRIX Interactive Desktop
• Ignition interlock device
• Imperial Irrigation District
• Independent and identically distributed random variables
• Integrating_the_Healthcare_Enterprise
• Interaural intensity difference
• Interface ID
• Internal affairs (law enforcement)
• Invoke Image Display
• Iterative and Incremental Development
• Online identity