FLC
- FLIC (file format)
- Federal Laboratory Consortium
- Feminist literary criticism
- Ferroelectric liquid crystal
- Fisheries Law Centre
- Florida Literacy Coalition, Inc.
- Flowering Locus C
- Folsom Lake College
- Football League Championship
- Football League Cup
- Forest Lake Camp
- Forming limit curve
- Fort Lewis College
- Free light chains
- Front de Liberation du Champa
- Front for the Liberation of the Somali Coast
- Full load current
- Fun Lovin' Criminals