Clamshell may refer to:
- Bivalve shell, the shell of a clam
- Scoop stretcher, another name for this patient transport device
- Clamshell design, a form factor used for electronic devices, also known as a "flip" or "flip phone".
- Clamshell (container), a design used for storage and food packaging, usually made of plastic or paperboard.
- Clamshell case, a type of box for storing paper items in archives (may also refer to either of the two uses above - electronics or packaging)
- Gallet Clamshell, the world's first water resistant chronograph wristwatch
- Bucket (machine part)#Clamshell bucket, or clamshell bucket
- Clamshell Alliance, an anti-nuclear organization
- Clamshell Falls, a waterfall in Australia
disambiguation page lists articles associated with the title Clamshell.
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