Look up bui in Wiktionary, the free dictionary.
Bui may refer to:
- Bank Unique Identifier
- Bui (Cameroon department), an administrative subdivision
- Bùi, a common Vietnamese surname
- Bui Dam, Ghana
- Bui National Park, Ghana
- An enemy character in the anime/manga YuYu Hakusho
- Gianni Bui, Italian footballer
The acronym BUI may refer to: