---
title: "Sierra Leone Treaties & Ratifications | Model Diplomat"
description: "Sierra Leone's UN multilateral treaty positions — signature vs. ratification status — and its inter-governmental organization memberships."
url: "https://modeldiplomat.com/country/sierra-leone/treaties"
---

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Updated Jun 10, 2026

# What treaties has Sierra Leone signed or ratified?

Sierra Leone's UN multilateral treaty positions — signature vs. ratification status — and its inter-governmental organization memberships.

## International Organizations

United Nations (1961)African UnionECOWAS (1975)Commonwealth of NationsMano River Union

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[Blocs & alliances](https://modeldiplomat.com/country/sierra-leone/blocs-alliances)[Background](https://modeldiplomat.com/country/sierra-leone/background)[Politics & democracy](https://modeldiplomat.com/politics/sierra-leone)