| Rank | Abbreviation | Meaning |
|---|
| ***** | BLUE FALCON | One that is willing to screw his buddy. Also known as Bravo Foxtrot and Buddy Fucker.
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| *** | FALCON | Force Application and Launch from the Continental United States
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| *** | FALCON | Forward Area Language Converter
| |
| ** | FALCON | Fuzzy Adaptive Learning Control Network
| |
| * | FALCON | Federal and Local Cops Organized Nationally
| |
| * | FALCON | Front for Animal Liberation and Conservation of Nature
| |
| * | FALCON | Fuel-Air Line Charge Ordnance Neutralizer
| |
| * | FALCON | Frequency Agile Low Coverage Netted
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| * | FALCON | Flint Area Library Cooperative Online Network
| |
| * | FALCON | Falco peregrinus
| |
| * | FALCON | Fuzzy Algorithms for Control
| |
| * | FALCON | Frequency Agile Laser for Configurable Optical Networks
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| * | FALCON | First Americans Land-grant College Organization & Network
| |
| * | FALCON | Falcon Air
| |
| * | FALCON | fission-activated laser concept
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