OGG or ogg may refer to:

Arts, media and entertainment

• Ogg (Cro character), in the Children's Television Workshop animated television show

• Operation Good Guys (OGG), a British TV mockumentary series

• Nanny Ogg, a character in the Discworld series of books

• Ogging, an online computer gaming tactic popularized by the network game Netrek

Organizations

• Original Gospel Gangstaz, Christian hip hop group

• Oxford Geology Group, a British geological society

Places

• Ogg, Texas

• Kahului Airport's IATA code

Science and technology

• Ogg, a multimedia container file format, in computing

• Ogg Vorbis, the Vorbis free software/open source audio codec, commonly used with the Ogg container

• Oxoguanine glycosylase, a DNA glycosylase enzyme

Others

• Ogg (surname)

• Oud Gereformeerde Gemeenten, a pietistic Reformed denomination in the Netherlands

See also

• Oggy (disambiguation)