The World Evangelical Alliance is an organization based in Washington USA, which serves as a network for evangelical organizations and denominations around the world.

Founded in London in 1951, the World Evangelical Alliance has its roots in the launch, in 1846 of the Evangelical Alliance in the UK and currently claims to represent 200 million evangelicals in 123 countries. The governing body of the World Evangelical Alliance is the Executive Council, whose membership is drawn from among member organizations around the world.

A General Assembly meets every four years to formulate a program for the Alliance, which is then carried out through the office of the International Director, and by the staff of WEA's various commissions and ministry departments.