FL3
# FL3

FL3, FL-3, or similar may refer to:

* FL3 (flavagline), an organic compound that displays potent anticancer and cardioprotectant activities
* FL3 (Lazio regional railways)
* AVIA FL.3, an Italian two-seat cabin monoplane
* Florida State Road 3, also known as North Courtenay Parkway, a north–south road serving as the southern access for the Kennedy Space Center near Cape Canaveral, Florida
* Florida's 3rd congressional district, a congressional district in the U.S. state of Florida
