Odendaalsrus is the oldest gold mining town in the Lejweleputswa District Municipality in the goldfields of the Free State province in South Africa.

On 5 December 2000, Odendaalrus was incorporated into the Matjhabeng Local Municipality along with the city of Welkom and the towns of Allanridge, Hennenman, Ventersburg and Virginia.

It is a town located on the Goldfields close to a couple of mines, and a large Harcos farm producing chickens and eggs.

Where they were evicted and forced to live in separate sections according to their ethnicity creating conflict between tribes.

It is known for political activist such as Sipho Mutsi, and producing soccer stars such as Kamohelo Mokotjo, Khotso Moleko, Abram "Wire" Nteo, Vuyisile Wana as well as the musical artist Lebohang Matooane popularly known as Dray Rsa, Neo Matla popularly known as Snaker Da Ray and many more