A mirror is an object whose surface reflects an image.
Mirror, mirrors or MIRROR may also refer to:
- Reflection (mathematics), creating the mirror image of a shape across a point, line or plane
- The "silver mirror", created in chemical tests involving Tollens' reagent
- Current mirror, an electric circuit designed to copy a current through one active device by controlling the current in another active device of a circuit
- Magnetic mirror, a magnetic field configuration
- Acoustic mirror, a device used to focus and amplify sound waves