Mostafa Kamal Tolba (Arabic: مصطفى كمال طلبة) (8 December 1922 – 28 March 2016) was an Egyptian scientist who served for seventeen years as the executive director of the United Nations Environment Programme (UNEP).

[1] In that capacity he led development of the Montreal Protocol, which saved the ozone layer and thus millions of lives from skin cancer and other impacts.

[3] After serving briefly as President of the Egyptian Olympic Committee (1971–1972),[4] Tolba led Egypt's delegation to the landmark 1972 Stockholm Conference, which established the United Nations Environment Programme.

During his long tenure as director of UNEP (1975–1992), he played a central role in the fight against ozone depletion, which culminated with the Vienna Convention (1985) and the Montreal Protocol (1987).

[2] He was a significant influence in the creation and organization of the Intergovernmental Panel on Climate Change, and the Global Environment Facility.