- DYF stands for District des Yvelines de Football (French: Yvelines District Football; Yvelines, France)
- DYF stands for Design Your Future (workshop)
- DYF stands for Diabetes Youth Foundation
- DYF stands for Declare Your Freedom (pro-Israel position)
- DYF stands for Detroit Youth Foundation (Michigan)
- DYF stands for DoubleYew Film
- DYF stands for Dissertation Year Fellowship (various schools)
- DYF stands for Danvers Youth Football (Danvers, MA)
DYF