(2) | Shūrā-yi Saqāfatī-i Jihād-i Afghānistān. |
 | Sibley International (Firm). |
 | Sidney Kimmel Entertainment (Firm) |
 | Siemens (Firm). |
 | Silk Road Studies Program. |
(3) | Sisters in Islam. |
 | Skills Training and Rehabilitation Society (STARS). |
(2) | Small Arms Survey. |
 | Social Impact (Firm). |
 | Societas Uralo-Altaica. |
 | Society for Afghan Studies (London, England). |
 | Society for Central Asian Studies. |
 | Society for South Asian Studies. |
(2) | Society for the Preservation of Afghanistan’s Cultural Heritage (SPACH). |
 | Society for the Preservation of Afghanitan’s Cultural Heritage (SPACH). |
 | Society of Afghan Architects and Engineers (SAAE). |
 | Society of Afghan Engineers (SAE). |
 | Société Grenobloise d’Etudes et d’applications Hydrauliques (SOGREAH). |
 | Solidarites. |
 | Solidarity Union Cooperation (SUCO). |
 | Solidarités. |
(3) | South Asia Analysis Group (SAAG). |
(2) | South Asia Partnership Canada. |
 | South Asia Press Commission. |
 | South Asian Association for Regional Cooperation. |
 | South Asian Free Media Association. |
 | South West Afghanistan Agency for Demining (SWAAD). |
 | Southern, Western Afghanistan and Balochistan Association for Coordination (SWABAC). |
 | Soviet Union. Sovetskaia Armiia. Generalnyi shtab. |
 | Sowjetische Geheimdokumente zum Afghanistankrieg (1978-1991). |
(2) | Sphere Project. |
 | Spink and Company. |
 | Spiral bound. |
 | St. Antony's College (University of Oxford). Soviet Affairs Study Group. |
 | Stanford Law School. |
 | Stanley Foundation. |
 | Stichting Studiefonds Afghanistan (SSA). |
 | Stichting voor Vluchteling Studenten UAF. |
(2) | Stiftung Bibliotheca Afghanica. |
 | Stockholm Environment Institute (SEI). |
(2) | Stockholm International Peace Research Institute (SIPRI). |
(2) | Strategic Monitoring Unit (SMU). |
(2) | Strategic Studies Institute (SSI). |
 | Street Expedition to Afghanistan (1965). |
 | Strengthening Participatory Organization (SPO). |
(3) | Survey Action Center. |
 | Sustainable Development Inc. (SDI). |
 | Sustainable development – Afghanistan – Planning. |
 | Svenska Afghanistankommitten (SAK). |
 | Svenska Afghanistankommittén |