- AF2 stands for Activation Function 2
- AF-2 stands for Activation Function 2 Domain
- AF2 stands for Arenafootball 2
- AF-2 stands for Activation Function Domain 2
- AF2 stands for Aircraft Maintenanceman Second Class (Naval rating)
- AF2 stands for Accessory Factor 2
- AF-2 stands for An Transactivation Function 2
AF-2