AI, A.I., Ai, or ai may refer to:
AirAsia Berhad (MYX: 5099) is a Malaysian low-cost airline headquartered near Kuala Lumpur, Malaysia. It is the largest airline in Malaysia by fleet size and destinations.
The Airbus A350 XWB is a family of long-range, twin-engine wide-body jet airliners developed by the European aerospace manufacturer Airbus.
The Airbus A320neo family (neo for new engine option) is a development of the A320 family of narrow-body airliners produced by Airbus.