| Competition: | Scottish Division A |
| Season: | 1948–49 |
| Winners: | Rangers |
| Relegated: | Morton Albion Rovers |
| Prevseason: | 1947–48 |
| Nextseason: | 1949–50 |
The 1948–49 Scottish Division A was won by Rangers by one point over nearest rival Dundee. Morton and Albion Rovers finished 15th and 16th respectively and were relegated to the 1949–50 Scottish Division B.
Rangers also won both the Scottish Cup and the Scottish League Cup, the first time a club claimed the national 'treble'.