Rudolf Johannes van Niekerk (known as Dolf) ((1929-02-22)22 February 1929 — (2022-12-31)31 December 2022) was a South African author, dramatist, radio presenter and professor. He wrote in Afrikaans and was a member of the Sestigers group.
In 1950 he became a radio presenter and producer. In 1957, he became the head of the radio department for the Department of Agriculture, and later the Head of Radio for the whole broadcasting network.
van Niekerk's first work, a book of poems, Standpunte, was published in 1953. He also was writing prose and radio plays and writing for television. His novel Gannavlei was published in 1958. He was awarded the Eugène-Marais Prize in 1963, for his collection of short stories.