The finalists hail from Gauteng, Western Cape, Eastern Cape and Kwa-Zulu Natal and include a medical doctor, a commercial pilot, owners of a model agency, swimwear company and an online bakery, and legal graduates and students.
The top three will go on to represent the country at Miss Universe, Miss World and Miss Supranational.
The pageant will take place at Grand West Arena in Cape Town and be simulcast live on M-Net (DStv 101) and Mzansi Magic (DStv 161) at 17:00. It will also be live-streamed on the My DStv app.
International audiences tune in via the online platform at misssa.live.