Fleur Olive Lourens de Villiers, CMG, (1 December 1937 – 7 February 2023) was a South African journalist and business consultant who served as the chairman of the trustees of the International Institute for Strategic Studies.

De Villiers was born in Port Elizabeth (now Gqeberha), South Africa on 1 December 1937.^[1]

In 2011 she was invested as a Companion of the Order of St Michael and St George for services to democratic transition, reconciliation and governance in South Africa. She was a Global Ambassador for the School of Oriental and African Studies (SOAS), University of London.^[2][3]

De Villiers died of a stroke on 7 February 2023, at the age of 85.^[1][4]