UNRC - UN Resident Coordinators Office, Samoa 
The UN System has three Sub-regional Offices in the Pacific located in Fiji, Samoa and Papua New Guinea.  These offices are led by UN Resident Coordinators who are representatives of the UN Secretary General in country. The UN Office in Samoa covers 4 Pacific Island Countries (PICs): Cook Islands, Niue, Samoa, Tokelau. The UN Offices work together with UN Country Teams (UNCTs) to coordinate the work of UN funds, agencies and organisations in support of the achievement of national development goals as reflected in the Millennium Declaration and Millennium Development Goals, and to assist governments to respond to emergencies and national security issues. 

FAO – Food and Agriculture Organization - Samoa office
Covers 14 Pacific Islands:  Cook Islands, Fiji, Federated States of Micronesia, Kiribati, Marshall Islands, Nauru, Niue, Palau, Papual New Guinea, Samoa, Solomon Islands,Tonga, Tuvalu, Vanuatu
  
UNDP Multicountry Office – Samoa 
Covers 4 Pacific Island countries: Cook Islands, Niue, Samoa, Tokelau

UNEP – UN Environment Programme- Samoa office
Covers 14 Pacific Island countries:  Cook Islands, Fiji, Federated States of Micronesia, Kiribati, Marshall Islands, Nauru, Niue, Palau, Papua New Guinea, Samoa, Solomon Islands, Tonga, Tuvalu, Vanuautu
  
UNESCO, UN Educational, Scientific and Cultural Organization - Samoa Office
Covers 17 Pacific Island countries:  Australia, Cook Islands, Fiji, Federated States of Micronesia, Kiribati, Marshall Islands, Nauru, New Zealand, Niue, Palau, Papua New Guinea, Samoa, Solomon Islands, Tokelau, Tonga, Tuvalu, Vanuatu

WHO – World Health Organization - Samoa Office
Covers 5 Pacific Island countries: American Samoa, Cook Islands, Niue, Samoa,Tokelau
 
WMO – World Meteorological Organization - Samoa Office  
Covers 14 Pacific Island countries:  Australia, Cook Islands, Fiji, French Polynesia, Federated States of Micronesia, Kiribati, New Caledonia, New Zealand, Niue, Papua New Guinea, Samoa, Solomon Islands, Tonga, Vanuatu