Brittleness is the liability of a material to fracture when subjected to stress.
Brittle or brittleness may also refer to:
- Brittle (food), a confection made of caramel and nuts
- Loch Brittle, on the coast of the Isle of Skye, Scotland
- Cliff Brittle, English businessman
- Software brittleness, a type of computer error
See also
- Brettle
- Brittle base class