FOID
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Look up foid in Wiktionary, the free dictionary.
FOID or foid may refer to:
- FOID (firearms), a firearm owner's identification card in Illinois
- Form of identification, used in the travel industry as a term for an identity document
- Feldspathoid, sometimes called a "foid", a class of mineral found in igneous rocks ("foid" can also refer to the rocks themselves)