DF

DF or df may stand for:

In geography and politics:

• Distrito Federal (disambiguation) or Federal District in two countries:
  • Federal District (Brazil)
  • Federal District (Mexico)
• Danish People's Party (Dansk Folkeparti)

In computers:

• df, a Unix command to report disk space usage by filesystem
• Direction flag, a flag stored in the FLAGS register on all x86 compatible CPUs
• Dwarf Fortress, a sandbox-style computer game with world simulation and city-building elements, at current state focusing on dwarven civilization
• DeFRaG, a computer game modification
• DragonFable, a game by Artix Entertainment

In science and technology:

• Density function, a mathematical function which has a wide range of applications such as in the study of macromolecular structure
• Methylphosphonyl difluoride, a chemical weapons precursor listed in schedule 1 of the Chemical Weapons Convention
• Direction finding, a technique used to locate radio transmitters
• Decapacitation factor

In other uses:

• Defender (association football)
• Disney Friends, video game
• Degrees of freedom (disambiguation), various measures
• Delta Force
• Dead Frontier, a free browser-based top down third person 3D survival horror MMORPG set in an open world
• DragonForce, an English power metal band