The Adventist Development and Relief Agency International (ADRA or ADRA International) is a humanitarian agency operated by the Seventh-day Adventist Church for the purpose of providing individual and community development and disaster relief. It was founded in 1956, and it is headquartered in Silver Spring, Maryland, United States.

In 2004, ADRA reported assisting nearly 24 million people with more than US$159 million in aid. Its staff numbered over 4,000 members. As of the end of 2007, it had operations in 125 countries. According to Forbes, in 2005, ADRA ranked among America's 200 largest charities

Adventist Development and Relief Agency (ADRA) is a faith-based, non-governmental organization that has made strides of holistic effort for the perseverance of human well-being. This organization is motivated by religious beliefs regarding humanity and distributes social service through volunteers.

ADRA distributes relief to communities living in life-threatening poverty, war impacted zones and other critical living conditions.

The organization's mission statement is: "ADRA works with people in poverty and distress to create just and positive change through empowering partnerships and responsible actions." Its stated reason for existence is "to follow Christ's example by being a voice for, serving, and partnering with those in need", and the 1983 organizational documents include a biblical rationale for conducting humanitarian work.

ADRA partners with communities, organizations, and governments in order to develop:

ADRA says that it serves people without discriminating against their ethnic, political, or religious association. Priority is given to those with disabilities, children, and senior citizens.

ADRA's areas of expertise include: Education, Emergencies, Food/nutrition, HIV/AIDS, Health, Refugees and IDPs, Shelter, Training and development, Water and sanitation, Women, Children, Monitoring and Evaluation, Programme management, and Security.