BB12 may refer to:

• BB12, a postcode district in the BB postcode area
• Big Brother 12, a television programme in various versions

• Mobile phone industry in China
• Mobile phone industry in India
• Mobile phone industry in Japan
• Mobile phone industry in Russia
• Mobile phone industry in South Korea
• Mobile phone industry in the United States
• Mobile phone industry of China
• Mobile phone internet
• Mobile phone multitasking
• Mobile phone novel
• Mobile phone Numbering System India
• Mobile phone operators
• Mobile phone recycling
• Mobile phone safety
• Mobile phone sports broadcasting
• Mobile phone tools
• Mobile PhoneTools
• Mobile phone tv
• Mobile phone web browsers
• Mobile phone website
• Mobile Platform
• Mobile platform
• Mobile platforms
• Mobile Point Lighthouse
• Mobile police department