IFL may refer to:
- Interflug, a defunct airline that used the ICAO code IFL
- International Fight League, a former American mixed martial arts league
- Imperial Fascist League
- Imperial Federation League
- Indonesian Futsal League
- Indoor Football League
- Indian Football League
- Intact forest landscape
- Intense Football League
- Integrated Facility for Linux, an IBM mainframe processor for the Linux operating system
- Baylor Institute for Faith and Learning
- Irish Football League
- Israeli Football League
- Italian Football League
- IFL chemotherapy
- Institute for Learning