GPO may refer to:

Government and politics

General Post Office The General Post Office (GPO) was the state postal system and telecommunications carrier of the United Kingdom until 1969. Before the Acts of Union 1707, it was the postal system of the Kingdom of England, established by Charles II in 1660. ...

, in Britain *

Social Security Government Pension Offset The Government Pension Offset (GPO) is a statutory provision in United States law which affects benefits paid by the Social Security Administration. It reduces spousal Social Security retirement benefits in situations where the spouse did not pay S ...

, a provision reducing benefits * Government Pharmaceutical Organization, a Thai state enterprise *

Government Press Office (Israel) Government Press Office (abbreviated: GPO; he, לשכת העיתונות הממשלתית, ''Lishkat Ha-Itonut Ha-Memshaltit''; abbreviated: לע"ם, ''La'am'') is responsible – on behalf of the Prime Minister's Office – for coordination ...

* Green Party of Ontario, Canada * United States Government Publishing Office * Group Purchasing Organization

Places

Gospel Oak railway station Gospel Oak railway station is in the London Borough of Camden in north-west London. It is on the North London line (NLL) and is also the western passenger terminus of the Gospel Oak to Barking Line – known informally as GOBLIN. Passengers us ...

, in London, England * Guam Premier Outlets, a shopping mall in Guam *

Indore G.P.O. Indore G.P.O. commonly known as G.P.O. or G.P.O. colony is a residential locality within the largest city and commercial hub Indore, Madhya Pradesh, India. The area is named after the main General Post Office of the Indore City. Postal Code: 4 ...

, a residential area in Indore, India * General Pico Airport, in Argentina, IATA code

Science and technology

* Giant Pacific Octopus * Group Policy Object * General Purpose Outlet, mains socket in Australia * General Purpose Output, an uncommitted digital signal pin on an integrated circuit or electronic circuit board used as an output and controllable by the user at runtime.

Other uses

* Generalplan Ost, a Nazi genocide plan in occupied territories *

General Post Office (disambiguation) The General Post Office was the British postal system from 1660 until 1969. The General Post Office may also refer to: Australia * Former General Post Office, Adelaide * General Post Office, Brisbane * General Post Office, Hobart * General Post ...

* Group purchasing organization * Gun Position Officer, usually a lieutenant, responsible for the technical control of an

artillery battery In military organizations, an artillery battery is a unit or multiple systems of artillery, mortar systems, rocket artillery, multiple rocket launchers, surface-to-surface missiles, ballistic missiles, cruise missiles, etc., so grouped to fac ...

in the United Kingdom and Commonwealth forces {{disambiguation * Grand Piece Online, a Roblox videogame based on One Piece