KPH or kph may refer to:
- Kilometres per hour (km/h) – a physical unit of speed or velocity (non-standard; km/h is usually preferred where SI conformance is important)
- The Campaign Against Homophobia (Polish: Kampania Przeciw Homofobii) – a non-governmental LGBT rights and support organisation in Poland
- Keystrokes per hour – a term used in reference to data entry speed
- KPH Radio – a coastal radio station in California
- Potassium hydrogen phthalate – a standard for acid-base titrations