Clandestine
- ClanDestine
- Clandestine (album)
- Clandestine (band)
- Clandestine (novel)
- Clandestine Industries (Fashion)
- Clandestine cell system
- Clandestine operation
- Clandestine worker
- Clandestinity (canon law)
- Clandestino
- Clandestiny
- Conspiracy (disambiguation)
- La Clandestine Absinthe
- Lathraea clandestina
- National Clandestine Service
- Secrecy
- Sing the Sorrow
- The Bluffers