Containment is a geopolitical strategy to stop the expansion of an enemy.
Containment may also refer to:
- Containment (computer programming), a form of object composition
- Containment (documentary), a 2015 film about the long-term dangers of nuclear waste
- Containment (film), a 2015 British film
- Containment (TV series), a 2016 American series
- Containment building, a structure enclosing a nuclear reactor
- Containment (set theory), another term for a subset
- Radioactive containment, technical measures to prevent radioactive incidents or contamination