GEA or Gea may refer to:
- Places
- Ge'a, a moshav in southern Israel
- Gea de Albarracín, a town in the province of Teruel, Spain
- Companies
- Gustaf Ericssons Automobilfabrik, former automobile manufacturer
- GEA Group, a German engineering firm
- GEA France, the alliance of the French National engineering school (ENAC, ENSMA, ISAE) in aeronautical and space engineering.
- Grupo Empresarial Antioqueño, a Colombian conglomerate
- Other
- Gea (grape), another name for the Italian wine grape Girò
- Gea (spider), a spider genus in the family Araneidae
- Geothermal Energy Association, a US-based geothermal trade organization
- Gea, also called Gaia or Gæa, a godness of Greek mythology (Mother Earth).
- Gastroesophageal angle, also called Angle of His
- Gastroenteroanastomosis, a surgical anastomosis of the stomach to the small intestine
- Gran Enciclopedia Aragonesa, (Grand Aragonese Encyclopedia)