Theodor Johannes Adolph Gerdener (19 March 1916 – 21 November 2013) was a South African politician and author.
Born in Cape Town, Gerdener served as an interior minister for the National Party.
He was Administrator of the Natal Province between November 1961 and August 1970.
Theo Gerdener died on 21 November 2013, aged 97, in Pretoria.
This article about a KwaZulu-Natal politician is a stub.