NFL Cup

{{Use dmy dates|date=October 2023}}

{{Use South African English|date=October 2023}}

{{ infobox football tournament

| name = {{flagicon|South Africa|1928}} Castle Cup

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| founded = 1959

| abolished = 1977

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| most successful club = Highlands Park F.C. (6 titles)

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The NFL Cup (widely known as the Castle Cup due to its sponsorship from Castle Breweries){{Cite web |date=2009-04-01 |title=Castle Cup Final 1976: Cape Town City v Hellenic - Front Cover (Page 1) |url=https://www.flickr.com/photos/hilton-t/3403110478/ |access-date=2023-07-13}} was the association football cup competition of the National Football League in South Africa under Apartheid. It was established in 1959 and disbanded in 1977. The competition was only eligible to teams made up of white players.