Tube may refer to:

Nature

• Your Tubes
• lava tube, found in volcanoes

Object

• cathode ray tube
• cylinder (geometry), a hollow shape
• plumbing tube used in domestic water systems
• inner tube
• pneumatic tube
• test tube
• Tubing (material)
• vacuum tube

Entertainment

• BBC Micro, Tube computer bus
• Channel 4 music related TV series, The Tube
• surfing, the inside of a hollow wave
• TUBE, Japanese pop musicians
• Tube, the South Korean movie.
• The Tubes, a San Francisco based rock group
• Tube, a children's programme with inflatable characters on SABC, South Africa
• Tube & Berger, the alias of Dance/Electronica producers Arndt Rörig and Marco Vidovic from Germany
• YouTube, a website that allows users to upload, view, and share video clips

Transportation

• London Underground Metro train system.
• Transbay Tube, an underwater rail tube across the San Francisco Bay

See also

• The Tube

tubo