ELF may refer to:

• Earth Liberation Front
• ELF submachinegun
• Elvish Linguistic Fellowship
• Endangered Language Fund
• Environmental Life Force
• Equality Liberty Fraternity
• Erisian Liberation Front (see Discordianism)
• Eritrean Liberation Front
• European Liberation Front
• Event Listener Framework
• Executable and Linkable Format, a common object file format for Unix.
• Extremely low frequency
• Esper Liberation Front, a fictional organization in the Deathstalker novels.
• Essences et Lubricants de France, the full name of Elf Aquitaine (see above).
• East London Federation (ELF) also known as the East London Federation of Suffragettes(ELFS).

The term elf may refer to:

• Elf, a mythical creature, providing inspiration for:
  • Fantasy Elves, including:
    • Elves in the works of J. R. R. Tolkien
    • Elves in the works of Terry Pratchett
    • Elves in the works of Wendy and Richard Pini
    • House-elves in the works of J. K. Rowling
    • Elves of Dungeons & Dragons
    • Dark elves, including drow, in various modern fantasy
    • High elves in various modern fantasy
    • Wood-elves in various modern fantasy
    • Half-elves in various modern fantasy
    • High Elves, Wood Elves and Dark Elves in Warhammer Fantasy
    • Eldar and Dark Eldar in Warhammer 40,000.
    • High Elves, Blood Elves and Night Elves in the Warcraft Universe
    • Mer of The Elder Scrolls universe
    • Elf character class in the MMORPG Mu Online
    • Machine Elves seen by users of DMT and other tryptamine-based hallucinogens.
• Elf, a 2003 film starring Will Ferrell
• Elf, a rock group founded by Ronnie James Dio, also known as The Elves and The Electric Elves
• Elf Aquitaine, a French oil company that merged with TotalFina to become TotalFinaElf, later renamed Total in 2003.
  • Elf, since 2000 a major brand of Total.
• ELF Corporation, a Japanese company that makes hentai CGI and games.
• Elf (Isuzu Elf) truck built by Isuzu. (U.S. Version by Isuzu NPR)
• Elf, an electrical discharge that occurs high above the cumulonimbus cloud of an active thunderstorm
• A proponent of technical analysis (Wall Street)^*

Elf (Begriffsklärung) | Elf | Elf | エルフ (曖昧さ回避) | ELF