WILPF is a proud member of the following networks and coalitions:

Abolition 2000
Cluster Munitions Coalition
coNGO
European Women's Lobby
Gender Equality Architecture Reform (GEAR)
IANSA Women’s Network
International Campaign to Abolish Nuclear weapons (ICAN)
International Coalition to Ban Uranium Weapons (ICBUW)
International Criminal Court Women’s Caucus
Mayors for Peace
Middle Powers Initiative
NGO  Subcommittee on Racism (GVA)
NGO Committee for Disarmament (GVA)
NGO Committee on Development (GVA)
NGO CSW (GVA)
NGO CSW (NY)
NGO Working Group on Peace (GVA)
NGO Working Group on the Girl Child (GVA)
NGO Working Group on the Security Council (NY)
NGO Working Group on Women, peace and Security (NY)
Nobel Women’s Initiative
Special NGO Committee on Human Rights (GVA)
World Network Against Racism (WARN)

WILPF also works on occasion with different specialized agencies of the UN, including:

UNIFEM
UNRISD

And others