Keio (disambiguation)
Appearance
![](http://upload.wikimedia.org/wikipedia/commons/thumb/9/99/Wiktionary-logo-en-v2.svg/40px-Wiktionary-logo-en-v2.svg.png)
Look up Keiō in Wiktionary, the free dictionary.
Keio may refer to:
- Keiō (慶応), a Japanese era name
- Keio University (慶應義塾大学), a Tokyo University
- Keio Corporation (京王電鉄), a Tokyo-based transportation company
- See under 'Keio...' in Category:Electric multiple units of Japan
- Keio Flying Squadron series or Keio Yūgekitai, the name of a video game series released on the Sega Mega CD\Sega CD, Sega Saturn, and Sony PlayStation consoles