The National Assembly of Women is affiliated to the following organisations:
- Campaign Against the Arms Trade: is working for the reduction and ultimate abolition of the international arms trade, together with progressive demilitarisation within arms-producing countries
- Campaign for Nuclear Disarmament: campaigns non-violently to rid the world of nuclear weapons and other weapons of mass destruction and to create genuine security for future generations
- Cuba Solidarity Campaign: is the British campaign for the defence of Cuba and its peoples' right to self-determination and national sovereignty
- National Pensioners' Convention: is the voice of the pensioners' movement