Rubycon
- Country: Japan
- Type: Commercial
- Website: www.rubycon.co.jp
- Update: 05-02
Rubycon is a leading Japanese capacitor manufacturer founded in 1952 and headquartered in Ina City, Nagano Prefecture. Rubycon produces a wide range of capacitor products mainly aluminum electrolytic capacitors and plastic film capacitors, as well as a wide range of electronic devices mainly switching power supply components.