GES, Ges or Gęś may refer to:
- Government Economic Service
- Greenbrier Episcopal School, an independent school in White Sulphur Springs, West Virginia
- Grace Evangelical Society, an evangelical Christian advocacy organization based in Denton, Texas
- Global Economic Symposium, annual international conference in Germany organised by the Kiel Institute for the World Economy
- GES International, an engineering and manufacturing company
- Gęś, Lublin Voivodeship
- Gęś, Pomeranian Voivodeship