CB1 may refer to:

• CB1, a postcode district in the CB postcode area
• Cannabinoid receptor 1, a receptor for cannabinoids in the brain
• Crash Bandicoot (video game), the first game in the Crash Bandicoot series
• Manhattan Community Board 1

• Tandi (name)
• Tandinas
• Tan Dinh church
• Tan Dinh Church
• Tandin Tshering
• Tandis Jenhudson
• Tandix
• Tandjouare, Togo
• Tandjouaré
• Tandliawala railway station
• Tando Adam Jn railway station
• Tando Adam Junction railway station
• Tando Allahyar railway station
• Tando Bago
• Tando Gulshah
• Tandoi railway station
• Tando jahania
• Tando Jahania
• Tando Jam College Halt railway station
• Tando Jam railway station
• Tando Jan Muhammad railway station
• Tandok
• Tando Masti Khan railway station
• Tando Muhammad Khan railway station
• Tando Mustikhan railway station