DOI
- 2,5-Dimethoxy-4-iodoamphetamine
- Dancing on Ice
- Declaration of independence
- Department of Information (Australia)
- Digital object identifier
- Distinctness of image
- Division of Investigation
- Dogri language
- Doi (clan)
- Doi (retailer)
- Doi (surname)
- New York City Department of Investigation
- United States Department of the Interior