Christian Aid is the official relief and development agency of 41 Christian (Protestant, Catholic and Orthodox) churches in the UK and Ireland,and works to support sustainable development, eradicate poverty, support civil society and provide disaster relief in South America, the Caribbean, Africa and Asia.

It works with hundreds of local partner organisations in some of the world’s most vulnerable communities in 24 countries. It is a founder member of the Disasters Emergency Committee,and a major member of The Climate Coalition, The Fairtrade Foundation and Trade Justice Movement campaigns. Christian Aid’s headquarters are in London and it has regional teams across the UK and Ireland, plus country offices elsewhere around the world.Christian Aid also organises the UK’s largest door-to-door collection, Christian Aid Week, which takes place in May each year.

Its director was Loretta Minghella who was appointed in 2010 but resigned in 2017 to work for the Church Commissioners. She was succeeded by the current chief executive officer Amanda Khozi Mukwashi. The 2012–2013 income of Christian Aid was £95.4 million.

Reconstruction after various wars in Vietnam, Laos and Cambodia were major projects, alongside the aid given after the overthrow of dictators Idi Amin in Uganda, Somoza family in Nicaragua, and Pol Pot in Cambodia. Yanomami Indians in Brazil were also supported, in a commitment to marginalized peoples.