SO or so may refer to:
South Africa, officially the Republic of South Africa (RSA), is the southernmost country in Africa. It is bounded on the south by 2,798 kilometres (1,739 mi) of coastline of Southern Africa stretching along the South Atlantic and Indian Oceans, on the north by the neighbouring countries of Namibia, Botswana and Zimbabwe, and on the east and northeast by Mozambique and Swaziland, and surrounding the kingdom of Lesotho.
The Soviet Union (Russian: Сове́тский Сою́з, tr. Sovetskiy Soyuz [sɐ'vʲetskʲɪj sɐˈjʉs]), officially the Union of Soviet Socialist Republics (USSR; Сою́з Сове́тских Социалисти́ческих Респу́блик (СССР), Soyuz Sovetskikh Sotsialisticheskikh Respublik (SSSR) [sɐˈjus sɐˈvʲɛtskʲɪx sətsɨəlʲɪsˈtʲitɕɪskʲɪx rʲɪˈspublʲɪk]) was a socialist state in Eurasia that existed from 1922 to 1991. It was nominally a supranational union of national republics, but its government and economy were highly centralized in a state that was unitary in most respects.
South Korea ( listen), officially the Republic of Korea (ROK; listen), is a sovereign state in East Asia, constituting the southern part of the Korean Peninsula.
The Solar System is the gravitationally bound system comprising the Sun and the objects that orbit it, either directly or indirectly.
Socialism is a range of economic and social systems characterised by social ownership and democratic control of the means of production; as well as the political ideologies, theories, and movements that aim to establish them.
South by Southwest (abbreviated as SXSW) is an annual conglomerate of film, interactive media, and music festivals and conferences that take place in mid-March in Austin, Texas, United States.
South America is a continent located in the western hemisphere, mostly in the southern hemisphere, with a relatively small portion in the northern hemisphere.
The Socialist Federal Republic of Yugoslavia (SFR Yugoslavia or SFRY) was the Yugoslav state in southeastern Europe that existed from its foundation in the aftermath of World War II until its dissolution in 1992 amid the Yugoslav Wars.
Sony Corporation (ソニー株式会社, Sonī Kabushiki Gaisha, /ˈsoʊni/) is a Japanese multinational conglomerate corporation that is headquartered in Kōnan, Minato, Tokyo.