HGO

HGO may refer to:

  • Hidalgo, Mexican State, see License Plate ( Mexico)
  • Hessian Municipal Code
  • Herbartgymnasium Oldenburg
  • HGO InfraSea Solutions
  • HGO, Rules of Procedure for the main customs offices ( DE, outdated successor since 2008. ÖB GO )

HgO is:

  • The chemical symbol for mercury (II ) oxide
  • Disambiguation
  • Abbreviation
Hidalgo (state) Vehicle registration plates of Mexico Mercury(II) oxide
390767
de