HGO may refer to:
- HGO Trust (formerly Hampstead Garden Opera), in London
- Houston Grand Opera, in Houston, Texas, United States
- Mercury(II) oxide (chemical symbol HgO)
- Héctor Germán Oesterheld (1919–1977), Argentine science fiction and comics writer, popularly known by his initials HGO
- Korhogo Airport in Côte d'Ivoire (IATA code HGO)
- Högskolan på Gotland university of Gotland, Sweden
This disambiguation page lists articles associated with the title HGO.If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: