The 1977 League Cup included clubs from the previously segregated federations. Arcadia Shepherds beat Cape Town City 5–1 in the final. Separate from the NFL Castle Cup and NPSL main cup.
| Season | Mainstay League Cup winner | Runner-up | Trophy |
|---|---|---|---|
| 1977 | Arcadia Shepherds | Cape Town City FC (1960) | — |