Deia or DEIA may refer to:
Places
Other uses
- Deia (moth), an animal in Chile
- Deia (newspaper), in Basque and Spanish
- Deia River, the name of two rivers in Romania
- Deia Schlosberg, American documentary filmmaker
- Diversity, equity, inclusion and access, an American organizational framework
- Deia, a character from the Philippine fantasy drama series Encantadia Chronicles: Sang'gre