Lead Exposure Elimination Project (LEEP) is an international non-governmental organization aimed at reducing lead exposure in low- and middle-income countries. Based in London, England, it was founded in 2020 to promote research and advocacy on the prevalence and consequences of lead poisoning in the developing world. Giving What We Can has identified LEEP as among the most cost effective charitable organizations in the world, preventing childhood lead exposure at a cost of US$1.66 on average, and saving disability-adjusted life years for approximately US$14. In 2023, LEEP had revenues of US$8.97 million.