Bua
- Ajahn Maha Bua
- Baptist University of the Américas
- Boston University Academy
- British United Airways
- Bua (Fijian Communal Constituency, Fiji)
- Bua District
- Bua Province
- Bua Thopia
- Bua language
- Bua, Varberg Municipality
- Buaran railway station
- Built-up area
- Built-up area (UK)
- Buinsk, Republic of Tatarstan
- Buinsky District
- Buka Airport
- Buryat language
- Despotate of Arta
- Gjin Bua Shpata
- Justin Bua
- Kevin Bua
- Peter Bua
- Tatiana Búa
- Theodore Bua