The 1976 South African Open, also known by its sponsored name South African Breweries Open, was a combined men's and women's tennis tournament played on outdoor hard courts in Johannesburg, South Africa that was part of the 1976 Commercial Union Assurance Grand Prix. It was the 73rd edition of the tournament and was held from 23 November through 30 November 1976. Harold Solomon and Brigitte Cuypers won the singles titles.

Harold Solomon defeated Brian Gottfried 6–2, 6–7, 6–3, 6–4

Brigitte Cuypers defeated Laura duPont 6–7, 6–4, 6–1