Bulgar may refer to:
- Bulgars, a historical Turkic group
- Oghur languages
- Bulgar language, spoken C7–C14
Bulgar may also refer to:
- Bolghar, the capital city of Volga Bulgaria
- Bulgur, a wheat product
- Bulgar, an Ashkenazi Jewish dance form used in Klezmer music
- Bulgar, Chekmagushevsky District, Republic of Bashkortostan
- Bulgar Mosque