GYAN or Gyan may refer to:
- Gyan (sanskrit), a Sanskrit word that roughly translates to 'knowledge' in English.
- Global Youth Action Network, a youth empowerment organization
- Gyan (album), the debut album by Gyan Evans
People named Gyan:
- Asamoah Gyan (born 1985), Ghanaian footballer
- Baffour Gyan (born 1980), Ghanaian footballer
- Christian Gyan (born 1978), Ghanaian footballer
- Gyan Evans, Australian musician
- Gyan Prakash Pilania (born 1932), social reformer
- Gyan Singh, Fijian politician
- Gyan Prakash, (born 1987), Chapra Bihar