AE2 may refer to:

• {{HMAS|AE2|}}, E-class submarine of the Royal Australian Navy
• Aero Ae 02, a design of Czechoslovakian plane
• Anion Exchanger 2, transport protein
• Ape Escape 2
• A size designation for Constantinian bronze coins
• Applied Energistics 2, a mod for the video game Minecraft
• Aminoestradiol, a synthetic estrogen

• Olympic Stadium (Athens)
• Olympic Stadium (Helsinki)
• Olympic stadium (London)
• Olympic Stadium (Montreal)
• Olympic Stadium Munich
• Olympic station
• Olympic Station (MTR)
• Olympic Studios
• Olympic Summer Games (video game)
• Olympic Swimming Pool
• Olympic symbols
• Olympic Tennis Centre
• Olympic Tennis Centre (Athens)
• Olympic theme
• Olympic Theme
• Olympic torch
• Olympic Torch
• Olympic Valley, CA
• Olympic Velodrome
• Olympic Velodrome (Athens)
• Olympic video games
• Olympic Village
• Olympic weightlifting
• Olympic Weightlifting Hall
• Olympiodorus