A clog is a shoe with a rigid, often wooden, sole.

Clog may also refer to:

• Clog (British), a wooden-soled clog from Great Britain
• C.L.O.G., a clogging organization
• Clogs (band), an Australian music group
• Clog, a blockage in plumbing
• Clog, a British brand of rock-climbing equipment owned by Wild Country (company)
• "Clogs", an episode of the television series Teletubbies
• C-Log, a proprietary log profile by Canon, Inc.

• Clog-dancing, a traditional dance from the North of England
• Clogging, a traditional type of percussive folk dance in the United States
• Clogging (craft), the construction of Clogs
• Clock (disambiguation)
• Cloqué