Poh, POH or pOH may refer to:
- Poh, Hokkien pronunciation of a Chinese surname, a variant of Fu (surname)
- Poh, tenth month in the Nanakshahi calendar
- Poh Ling Yeow, a Malaysian-Australian artist and chef
- Pok Oi Hospital, a Hong Kong hospital
- Power-on hours, the length of time, in hours, that electrical power is applied to a device
- POH, Amtrak station code for Port Henry, New York, United States
- Pilot's Operating Handbook, a standardized aircraft flight manual for a specific aircraft
- A Player-Owned House in RuneScape, which is created by the Construction skill
- pOH, a measure of the concentration of hydroxide ions
- Progressive osseous heteroplasia, a rare genetic disorder
