Gp or GP may refer to:
Global Positioning System (GPS) satellites broadcast microwave signals to enable GPS receivers on or near the Earth's surface to determine location, velocity, and time.
A GPS navigation device, GPS receiver, or simply GPS is a device that is capable of receiveing information from GPS satellites and then to calculate the device's geographical position.
GPS Block IIIA, or GPS III is the next generation of GPS satellites, which will be used to keep the Navstar Global Positioning System operational.
The GP3 Series, or GP3 for short, is a single seater motor racing series launched in 2010 as a feeder series for the GP2 Series, introduced by GP2 organiser Bruno Michel.
A GPS tracking unit is a device, normally carried by a moving vehicle or person, that uses the Global Positioning System to determine and track its precise location, and hence that of its carrier, at intervals.
The GP2X is a Linux-based handheld video game console and portable media player developed by South Korean company GamePark Holdings.
The General Post Office (GPO) of the United Kingdom carried also the sole responsibility for providing telecommunication services across the country.