ODF

ODF may be an acronym for:

* OpenDocument format, a standard for electronic office documents
** OpenDocument Foundation, a defunct organization which had some interest in OpenDocument and alternative formats
* Output Database File, a proprietary file format of the [http://www.geologix.com GEO] software suite of well log authoring applications.
* Operation Deep Freeze, a series of U.S. missions in Antarctica
* Oregon Department of Forestry, a government agency in the U.S.
* Optical distribution frame, a device to terminate optical fiber cables
* Orientation distribution function, in material science, a mathematical function for determining texture
* Organ Donor Foundation of South Africa
* Osteoclast Differentiation Factor, in molecular biology, a signaling protein
*Outer Dimensional Forces, a millenialist, UFO-believing doomsday cult based out of Weslaco, TX.