1947 in South Africa
- Monarch: King George VI.
- Governor-General and High Commissioner for Southern Africa: Gideon Brand van Zyl.
- Prime Minister: Jan Christiaan Smuts.
- Chief Justice: Ernest Frederick Watermeyer.
- 9 – The Three Doctors’ Pact (also known as the Dadoo-Naicker-Xuma Pact) is signed by Dr A.B. Xuma (African National Congress), Dr Monty Naicker (Natal Indian Congress) and Dr Yusuf Dadoo (Transvaal Indian Congress).
- 4 – The Natal Indian Organisation is formed.
- 2 June – King Ingwenyama Mayitjha III of the Ndzundza-Mabhoko Southern Ndebele people. (d. 2005)
- 2 July – George Weideman, poet and writer. (d. 2008)
- 16 July – Roelf Meyer, politician.
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Two new Cape gauge locomotive types enter service on the South African Railways (SAR):
- Twelve Class S1 0-8-0 shunting steam locomotives, designed and built in the Salt River workshops in Cape Town.
- The first of twenty-eight Class 3E electric locomotives.
- Test matches
- 1st Test at Trent Bridge – match drawn
- 2nd Test at Lord's – England won by 10 wickets
- 3rd Test at Old Trafford – England won by 7 wickets
- 4th Test at Headingley – England won by 10 wickets
- 5th Test at The Oval – match drawn
The South Africa national football team tours Australia and New Zealand and plays five games against the Australia national association football team and four against the New Zealand national football team.Team-H.Smethurst (capt.),L.G.Anley,A.G.Falconer,D.A.Wilson,H.D.McCreadie,R.H.F.Nicholson,D.D.Forbes,E.G.Dowell,S.van Rensburg, C.Kurland,R.Ferriman,H.E.Naish,J.H.Classens,H.J.Pretorius,J.H.M.Pickerill,C.L.Brink,B.Clack,S.O'Linn.J.H.Barbour (mgr).M.Taylor (ast.mgr).
- 10 May – South Africa wins 2-1 at the Sydney Cricket Grounds, Australia.
- 24 May – South Africa wins 4-2 at the Brisbane Cricket Grounds, Australia.
- 31 May – South Africa and Australia draw 3-3 at the Sydney Show Grounds, Australia.
- 7 June – Australia wins 5-1 at the Newcastle Sports Grounds, Australia.
- 14 June – South Africa wins 2-1 at the Sydney Cricket Grounds, Australia.
- New Zealand
- 28 June – South Africa wins 6-5 at the Lancaster Park, Christchurch, New Zealand.
- 5 July – South Africa wins 6-0 at the Carisbrook Stadium, Dunedin, New Zealand.
- 12 July – South Africa wins 8-3 at the Athletic Park, Wellington, New Zealand.
- 19 July – South Africa wins 4-1 at the Eden Park, Auckland, New Zealand.
- "Marion Island – History". Sanap.ac.za. Archived from the original on 24 July 2017. Retrieved 9 October 2012.
- Holland, D. F. (1972). Steam Locomotives of the South African Railways. 2: 1910-1955 (1st ed.). Newton Abbott, Devon: David & Charles. pp. 103–104. ISBN 978-0-7153-5427-8.
- Paxton, Leith; Bourne, David (1985). Locomotives of the South African Railways (1st ed.). Cape Town: Struik. pp. 80–81, 126. ISBN 0869772112.