YIG or Yig may refer to:

Organizations

* Your Independent Grocer, a Canadian Grocery store * ''YMCA Youth in Government'', alternative name for YMCA Youth and Government

Science and technology

Yttrium iron garnet Yttrium iron garnet (YIG) is a kind of synthetic garnet, with chemical composition , or Y3Fe5O12. It is a ferrimagnetic material with a Curie temperature of 560 K. YIG may also be known as yttrium ferrite garnet, or as iron yttrium oxide or ...

, a synthetic garnet ** YIG sphere, an yttrium-iron-garnet-based microwave-frequency filter

Various media

* Yig (the Father of Serpents), a deity in H.P. Lovecraft's Cthulhu mythos ** The Curse of Yig, short story by H.P.Lovecraft and Zealia Bishop ** The Curse of Yig (book), collection of stories by Zealia Bishop {{Disambig