- YFN stands for Youth for the Nations (youth group; est. 1990; Christ for the Nations; Dallas, TX)
- YFN stands for Youngstown Free Net (Youngstown State University; Youngstown, OH)
- YFN stands for Covered Lighter (Non Self-Propelled)
- YFN stands for Young Feminist Network (est. 1995)
- YFN stands for Your Friendly Neighborhood
- YFN stands for District Lighter, Covered (US Navy)
YFN