GJ or Gj may refer to:
Gjirokastër (Albanian pronunciation: [ɟiɾokastəɾ]) is a city in southern Albania, on a valley between the Gjerë mountains and the Drino, at 300 metres above sea level.
Gjakova (Albanian: Gjakovë) or Đakovica (Serbian Cyrillic: Ђаковица) is a city and municipality located in the Gjakova District of western Kosovo.
Gjilan (Albanian: Gjilani IPA: [ɟilani] ( listen))) or Gnjilane (Serbian Cyrillic: Гњилане), is a city and municipality located in the Gjilan District in eastern Kosovo.
Gjergji Muzaka (born 26 September 1984 in Tiranë) is an Albanian professional footballer who plays as a midfielder for Skënderbeu Korçë in the Albanian Superliga.
Gjorge Ivanov, also transliterated as Ǵorge (Macedonian: Ѓорге Иванов, pronounced [ˈɟɔrɡɛ ˈivanɔf]; born May 2, 1960), is the President of the Republic of Macedonia, in office since 2009.
Gjon Kastrioti or John Castriot (13?? – 4 May 1437) was an Albanian nobleman, member of the Kastrioti family, and the father of Skanderbeg.
Gjøvik is a town and a municipality in Oppland county, Norway. The administrative centre of the municipality is the town of Gjøvik.