Bzr may refer to:

• GNU Bazaar
• Benzodiazepine receptor (also known as the GABA_A receptor)
• Béziers Cap d'Agde Airport
• Toyota Levin/Trueno BZ-R

• Aton Ben-Horin
• At Once
• Atonement
• Atonement: A Novel
• Atonement (Christian)
• Atonement (Magic City)
• Atonement of Jesus Christ
• Atonement (Your Memorial album)
• Atong
• Atong Demach
• Atong (disambiguation)
• Atong language
• A'tong language
• A'Tong language
• Atong language (Cameroon)
• Atong language (Grassfields Bantu)
• Atong language (India)
• Atong language (Tibeto-Burman)
• Atongolium
• Atonic uterus
• Atoni language
• Atonism
• A Ton of Love
• Aton Resources
• Atooi (company)