Ogg may refer to:
- Ogg (surname)
- Nanny Ogg, a character in the Discworld series of books
- Ogg, a multimedia container file format, in computing
- Ogg Vorbis, the Vorbis free software/open source audio codec, commonly used with the Ogg container
- Kahului Airport's IATA code
- Ogg (Cro character), in the Children's Television Workshop animated television show
- Ogging, an online computer gaming tactic
- Oud Gereformeerde Gemeenten, a pietistic Reformed denomination in the Netherlands
- Operation Good Guys (OGG), a British TV mockumentary series
- Original Gospel Gangstaz, Christian hip hop group
- Oxoguanine glycosylase, a DNA glycosylase enzyme
disambiguation page lists articles associated with the title OGG.
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