Pentax MX
- Produced: 1976–1985, Asahi Optical Company, Tokyo, Japan
- Film type: 35mm
- Image size: 36x24mm
- Lens: SMC Pentax-M 1:1.7 50mm (Pentax K mount)
- Shutter: horizontal focal plane (cloth)
- Shutter speeds: 1–1/1000 and B
- Exposure meter: TTL CdS, viewfinder LED readout
- ASA range: 25–1600