- Les Artistes pour la paix
- Canadian Coalition for Nuclear Responsibility
- Canadian Federation of University Women
- Canadian Voice of Women for Peace
- Canadian Pugwash Group
- Canadian Student Youth Pugwash
- Centre de Ressources sur la Non-Violence
- Group of 78
- Physicians for Global Survival
- Project Ploughshares
- Religions for Peace Canada
- Rideau Institute
- Science for Peace
- United Nations Association in Canada /Association canadienne pour les Nations Unies
- Vancouver Island Peace and Disarmament Network
- Women’s International League for Peace and Freedom (Canada section)
- World Federalist Movement – Canada / Mouvement Federaliste Mondial – Canada
Emeritus Member:
- Veterans Against Nuclear Arms (VANA): There is a VANA Memorial posted on the Toronto Hiroshima/Nagasaki Day website that gives an extensive history and video and archival links explaining the founding, aims and work of the organization