Separator
- Air classifier
- Alfa Laval
- C0 and C1 control codes
- Community separator
- Cream separator
- DeLaval
- Decimal separator
- Demister (vapor)
- Generator (category theory)
- Geometric separator
- Orthodontic spacer
- Planar separator theorem
- Printer separator
- Radiohead
- Separation (disambiguation)
- Separation theorem (disambiguation)
- Separator (electricity)
- Separator (oil production)
- Separatrix (disambiguation)
- The King of Limbs
- Thousands separator
- Vapor–liquid separator
- Vertex separator