| Founded | 1944 |
|---|---|
| Abolished | 1952 |
| Region |  Scotland |
| Number of teams | 14 (1945–47) 16 (1947–52) |
| Last champions | Clyde (1st title) |
| Most successful club(s) | East Fife (2 titles) |
The Supplementary Cup was a Scottish football competition open to teams in the B Division, firstly in the Southern League during season 1945–46 and when full peacetime football returned the following season, the Scottish League between seasons 1946–47 and 1951–52. The competition never had a set format apart from a two-legged final when the competition was continued by the Scottish League.