I2

• 2I (disambiguation)
• Grigorovich I-2
• Göta Life Guards (infantry)
• Haplogroup I2 (Y-DNA)
• Highway I–2 (Cuba)
• I 2 (EYE)
• I2 engine
• Iberia Express
• Incredibles 2
• Internet2
• Interstate 2
• Interstate 2 (disambiguation)
• List of Swedish infantry regiments
• Maximillion Pegasus
• Type J1 submarine
• Värmland Regiment
• Yu-Gi-Oh!