Organizations

Sinaloa Cartel

Sinn Féin

Sinn Féin — Irish republican political party

Six Flags Discovery Kingdom

SkyTeam

SkyTeam Cargo

Smithsonian Institution

Smithsonian Institution: United States museum and research complex

Social Democrat Hunchakian Party

Socialist Campaign Group

Socialist International

Society for American City and Regional Planning History

Society for Industrial and Applied Mathematics

Society for Industrial and Applied Mathematics (SIAM)

Society of Jesus

Society of St. John the Evangelist

Solidarity (Polish trade union)

Solidarity (Polish trade union, Solidarność)

Somerville College, Oxford

Sons of Liberty

Loose colonial networks that opposed British policies in the 1760s–1770s, best known for protests such as the Boston Tea Party and influential leaders like Samuel Adams and Paul Re

South Atlantic Peace and Cooperation Zone

South Atlantic Peace and Cooperation Zone (ZOPACAS)

Southern Christian Leadership Conference

Southern Poverty Law Center

Southwestern Athletic Conference

Southwestern Athletic Conference (SWAC)

Southwestern Moundbuilders

Sovereign Military Order of Malta

Soviet Philatelic Association

Soviet Philatelic Association: state role in collecting and stamp distribution

Spartacus League

Spartacus League (Spartakusbund) — German Marxist revolutionary group

Special Branch

Special Operations Executive

Special Operations Executive (SOE) — British wartime clandestine service

Sponsor

Sponsor: Types, Roles, History, and Modern Uses

Spurgeon's

Spurgeon's — English children's charity founded by Charles Spurgeon

SpVgg Greuther Fürth

SpVgg Greuther Fürth — German football club from Fürth, Bavaria

St Albans School

St Anne's College, Oxford

St Anne's College, University of Oxford

St Catharine's College, Cambridge

St Catherine's College, Oxford

St Catherine's College, Oxford (Catz)

St John Ambulance

St John Ambulance: history, roles, and organization

St. Bonaventure University

St. Nicholas Magazine

Stanford

Star Alliance

Star Alliance: global airline network and cooperative system

State Library of Victoria

Stirling Albion F.C.

Stop Stansted Expansion

Stop Stansted Expansion (SSE) — UK community campaign against airport growth

Stop the War Coalition

Storm Prediction Center

Stratemeyer Syndicate

Student Nonviolent Coordinating Committee

Student Nonviolent Coordinating Committee (SNCC)

Students for a Democratic Society

Sturmabteilung

Sturmabteilung (SA): the Nazi Party's Brownshirts

Sub Pop