AC2

AC2 may refer to:

• Ace Combat 2
• Armored Core 2
• Asheron's Call 2
• Assassin's Creed II

• AC2, a ranking grading within the Royal Air Force between 1919 and 1964
• AC-2, a submarine telecommunications cable system
• AC-2 Buffalo, a transport aircraft
• AC2: Combat Shield and Mini-adventure, an accessory for Dungeons & Dragons
• Southern Pacific class AC-2, a class of steam locomotives
• TRAXX F140 AC2, a locomotive
• AC2 Treated lumber