HPO
# HPO

HPO may refer to:

* HPO formalism, an approach to temporal quantum logic
* Hamilton Philharmonic Orchestra, a symphony orchestra based in Ontario, Canada
* High performance organization, a conceptual framework for organizations
* Highway Post Office, of the United States Postal Service
* Homeowner Protection Office, in British Columbia, Canada
* Hpon language, spoken in Burma
* Human Phenotype Ontology
* Humanist Party of Ontario, a political party in Canada
* Hydrogen peroxide, an oxidizer
* Premnaspirodiene oxygenase, an enzyme
* Hippo, a protein kinase involved in the Hippo signaling pathway
* Hyperparameter optimization, a technique used in automated machine learning
