NGO Directory Africa lists 93 organisations working in Sierra Leone, 81 of them with their head office in the country and 6 international NGOs. The most common causes are Community Development, Water, Sanitation & Hygiene, Health & Wellbeing. Most listed organisations are based in Northern, Eastern, Southern.
Leading organisations in Sierra Leone

Environmental Foundation for Africa
The Environmental Foundation for Africa (EFA) is a non-governmental organization that aims to protect and restore the environment in West Africa throu...

CARE International
Humanitarian and development confederation focused on ending poverty, with a particular focus on women and girls.
Sierra Leone organisations by sector
All organisations in Sierra Leone
Silpa
Silpa is an NGO with an office in Kailahun, Sierra Leone, as mapped on OpenStreetMap.
SLRCS's Office
SLRCS's Office is an NGO with an office in Kailahun, Sierra Leone, as mapped on OpenStreetMap.
Street Child office
Street Child office is an NGO with an office in Kailahun, Sierra Leone, as mapped on OpenStreetMap.
Think Africa Institute
Think Africa Institute is an NGO with an office in Sierra Leone, as mapped on OpenStreetMap.
UMC BUILDING
UMC BUILDING is an NGO with an office in Sierra Leone, as mapped on OpenStreetMap.
UNICEF
UNICEF is an NGO with an office in Sierra Leone, as mapped on OpenStreetMap.
Women Co-operative Development Association
Women Co-operative Development Association is an association with an office in Buedu, Sierra Leone, as mapped on OpenStreetMap.
World Heath Organisation- SL
World Heath Organisation- SL is an NGO with an office in Sierra Leone, as mapped on OpenStreetMap.
ACDI/VOCA-SNAP
Humanitarian and development partner working in Eastern, Northern, Sierra Leone, listed in OCHA’s Who does What Where (3W) data (2023).
Action Aid International
Humanitarian and development partner working in Southern, Northern, Eastern, Western Area, Sierra Leone, listed in OCHA’s Who does What Where (3W) data (2023).
Action for Development (ADP-SL)
Humanitarian and development partner working in Southern, Sierra Leone, listed in OCHA’s Who does What Where (3W) data (2023).
Association of Volunteers in International Service (AVSI)
Humanitarian and development partner working in 7308, 8401, 9202, 9301, South Sudan, listed in OCHA’s Who does What Where (3W) data (2023).
Brac
Humanitarian and development partner working in Northern, Eastern, Southern, Western Area, Sierra Leone, listed in OCHA’s Who does What Where (3W) data (2023).
British Council
Humanitarian and development partner working in Western Area, Southern, Northern, Eastern, Sierra Leone, listed in OCHA’s Who does What Where (3W) data (2023).
Catholic Relief Services (CRS)
Humanitarian and development partner working in Burundi, Burundi, listed in OCHA’s Who does What Where (3W) data (2026).
CAUSE Canada
Humanitarian and development partner working in Southern, Sierra Leone, listed in OCHA’s Who does What Where (3W) data (2023).
CAWeC
Humanitarian and development partner working in Northern, Sierra Leone, listed in OCHA’s Who does What Where (3W) data (2023).
Community Agricultural Development Association
Humanitarian and development partner working in Northern, Eastern, Sierra Leone, listed in OCHA’s Who does What Where (3W) data (2023).
Concern Worldwide (CONCERN)
Humanitarian and development partner working in Burundi, Burundi, listed in OCHA’s Who does What Where (3W) data (2026).
CORD Sierra Leone (CORD-SL)
Humanitarian and development partner working in Eastern, Sierra Leone, listed in OCHA’s Who does What Where (3W) data (2023).
Development Initiative Programme (DIP)
Humanitarian and development partner working in Northern, Sierra Leone, listed in OCHA’s Who does What Where (3W) data (2023).
Education For All
Humanitarian and development partner working in Eastern, Northern, Western Area, Southern, Sierra Leone, listed in OCHA’s Who does What Where (3W) data (2023).


