Incumbents
- Monarch – George V (King of the United Kingdom and Dominions of the British Commonwealth)
- Governor‑General – Prince Arthur of Connaught (until 19 October 1928); succeeded by The Earl of Athlone (from 19 October 1928)
- Prime Minister – James Barry Munnik Hertzog (J. B. M. Hertzog)
- Chief Justice – Sir Jacob de Villiers
Events
Insufficient Encyclopedic Information. Specific political, social, economic, or cultural events that were uniquely notable in South Africa during the calendar year 1928 are not comprehensively documented in readily available encyclopedic sources.
Sport
Insufficient Encyclopedic Information. While South Africa participated in international sporting competitions such as the 1928 Summer Olympics in Amsterdam, detailed records of performances, medal counts, and related events for the year are not fully covered in the consulted references.
Births
Insufficient Encyclopedic Information. No widely recognized individuals born in South Africa in 1928 are documented in the primary encyclopedic sources consulted.
Deaths
Insufficient Encyclopedic Information. No prominent South African figures whose deaths occurred in 1928 are recorded in the primary encyclopedic sources consulted.
