Willem Petrus "Willie" Esterhuyse, OLS (born 19 August 1936) is an emeritus professor of philosophy and business ethics at the University of Stellenbosch, a columnist and critic of the system of apartheid.
He married Annemarie Esterhuyse, née Barnard, a lecturer in mathematics at the University of Stellenbosch.
Then he was until 1974 a senior lecturer in Philosophy at the Rand Afrikaans University (RAU).
He served as a director of various institutions e.g. presently and previously: Esterhuyse was portrayed by William Hurt in the 2009 film Endgame.
[1] His awards includes the Stals Prize for Philosophy by the Academy of Arts and Science in 1984.