---
title: "Sri Lanka Blocs & Alliances | Model Diplomat"
description: "Every diplomatic bloc and alliance Sri Lanka belongs to — and the allies, rivals, and neighbors that shape its votes."
url: "https://modeldiplomat.com/country/sri-lanka/blocs-alliances"
---

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Updated Jun 10, 2026

# Which blocs and alliances does Sri Lanka belong to?

Every diplomatic bloc and alliance Sri Lanka belongs to — and the allies, rivals, and neighbors that shape its votes.

## Bloc memberships

[NAM](https://modeldiplomat.com/country/bloc/non-aligned)

[122](https://modeldiplomat.com/country/bloc/non-aligned)

[Largest grouping outside the great-power blocs — around 120 members focused on autonomy.](https://modeldiplomat.com/country/bloc/non-aligned)

[+117](https://modeldiplomat.com/country/bloc/non-aligned)

## Allies, rivals & neighbours

Allies

[India](https://modeldiplomat.com/country/ind)[China](https://modeldiplomat.com/country/chn)[Japan](https://modeldiplomat.com/country/jpn)

## Organisation memberships

Memberships

Organizations

4

UNUNmember · 1955

SSfounding-member

CONCONmember

NMNMmember

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Explore more on Sri Lanka

[Treaties](https://modeldiplomat.com/country/sri-lanka/treaties)[Background](https://modeldiplomat.com/country/sri-lanka/background)[Politics & democracy](https://modeldiplomat.com/politics/sri-lanka)