| Competition: | Scottish Division One |
| Season: | 1899–1900 |
| Winners: | Rangers 3rd title |
| Relegated: | St Bernard's Clyde |
| Matches: | 90 |
| Total Goals: | 379 |
| League Topscorer: | Robert Hamilton Willie Michael (15 goals each) |
| Prevseason: | 1898–99 |
| Nextseason: | 1900–01 |
The 1899–1900 Scottish Division One season was won by Rangers by seven points over nearest rival Celtic.