Pieter-Dirk Uys (pronounced "ace") is a South African satirist (born 1945 in Cape Town), active as a performer, author, and social activist. He is the son of a Calvinist Afrikaner father and Berlin-born Jewish mother, Helga Bessel Uys. He had an NG Kerk upbringing. He began his dramatic career as a serious playwright, switching to one-man revues at the height of the Apartheid era.