Luis Alberto Moreno Mejía (born 3 May 1953) is a Colombian businessman and former diplomat who served as President of the Inter-American Development Bank (IADB) from 2005 to 2020.

[5] In 1998, Moreno was named Colombia's Ambassador to the United States by newly elected president Andrés Pastrana Arango.

He helped build bipartisan support in the United States Congress for passage of more than US$4 billion in U.S. assistance programs for Colombia.

[6][7] Milestones during Moreno's tenure include: the approval in 2007 of $4.4 billion in debt relief for Bolivia, Guyana, Haiti, Honduras and Nicaragua, the most heavily indebted member countries; the approval in 2010 of the Ninth General Capital Increase, the largest expansion of resources in the Bank’s history; the merging and expansion in 2016 of the Group’s private-sector operations under IDB Invest; the replenishment in 2017 of IDB Lab with historic contributions from Latin American and Caribbean countries; the launch in 2019 of a special grant facility to help countries integrate migrants into local communities and contribute to their development; and the institution-wide response in 2020 to the coronavirus pandemic.

[8] In early 2021, Moreno was appointed by the G20 to the High Level Independent Panel (HLIP) on financing the global commons for pandemic preparedness and response, co-chaired by Ngozi Okonjo-Iweala, Tharman Shanmugaratnam and Lawrence Summers.