(2) | | OP-Mercy Afghanistan د آپ مرسي موسسه افغانستان. |
 | | OPS |
 | | ORA International Afghanistan |
(3) | | OTF Group |
(4) | | OTF Group (Firm). |
 | | OTF Group. |
(3) | | Ockenden International |
 | | Ockenden International Afghanistan |
 | | Ockenden International. |
(13) | | Ockenden Venture |
 | | Office for Official Publications of the European Communities. |
 | | Office for the Co-ordination of United Nations Humanitarian and Economic Assistance Programmes relating to Afghanistan. |
 | | Office for the Coordination of Humanitarian Affairs (OCHA). |
(2) | | Office of Inspector General. |
 | | Office of International Women’s Issues. |
 | | Office of United Nations Co-ordinator for Afghanistan. |
 | | Office of the AID Representative for Afghan Affairs. |
 | | Office of the Co-ordinator for Humanitarian and Economic Assistance Programmes relating to Afghanistan. |
 | | Office of the Co-ordinator for United Nations Humanitarian and Economic Assistance Programme relating to Afghanistan. |
 | | Office of the Coordination of United Nations Humanitarian and Economic Assistance. |
 | | Office of the High Commissioner for Human Rights (OHCHR). |
 | | Office of the Special Representative of the Secretary-General for Children and Armed conflict. |
 | | Office of the UN Coordinator for Afghanistan. |
 | | Office of the UN coordinator in Afghanistan |
 | | Office of the United Nations High Commissioner for Refugees |
 | | Open Society Institute and Soros Foundation Network. |
 | | Open Society Institute. |
(5) | | Operation Salam |
(9) | | Operation Salam. |
(2) | | Ora International. |
 | | Orbis Press Agency. |
 | | Organisation for Economic Co-operatoin and Development |
 | | Organization for Economic Co-operation and Development |
(7) | | Organization for Mine Awareness |
 | | Organization for Mine Clearance and Afghan Rehabilitation |
 | | Organization for Mine Clearance and Afghan Rehabilitation (OMAR) |
 | | Organization for Security and Co-operation in Europe |
 | | Organizing Committee for the People’s Decade for Human Rights Education. |
 | | Orphan Cultural Center |
 | | Orphan Internationla Organization |
(17) | | Orphans Refugees & Aid International |
 | | Orphans Refugees and Aid |
 | | Orthopedics Overseas. |
 | | Osprey |
(4) | | Overseas Development Administration |
(22) | | Overseas Development Institute |
(5) | | Overseas Development Institute (ODI). |
(6) | | Overseas Development Institute. |
(2) | | Overseas Service Bureau |
 | | Overseas Service Bureau (OSB). |