Turf may refer to:

• Lawn, an area of grass maintained for decorative or recreational use
• Sod, the surface layer of ground consisting of a matt of grass and grass roots, sometimes used as a construction material
• AstroTurf, or any variety of artificial turf made to resemble grass
• A colloquialism for the world of horse-racing
• Slang for territory claimed by a gang, see turf war
  
• Slang for the area of jurisdiction or influence exercised by a unit within a bureaucracy
• Peat used for fuel
• The Turf, a public house in Oxford, England
• Turf Hotel, a public house at the Racecourse Ground in Wrexham, Wales
• TURF Analysis, a statistical method (acronym for “Total Unduplicated Reach and Frequency”)
• A multiplayer map in Halo 2