| Competition: | Scottish Division One |
| Season: | 1905–06 |
| Winners: | Celtic 6th title |
| Matches: | 240 |
| Total Goals: | 773 |
| League Topscorer: | Jimmy Quinn (20 goals) |
| Prevseason: | 1904–05 |
| Nextseason: | 1906–07 |
The 1905–06 Scottish Division One season was won by Celtic[1] by six points over nearest rival Heart of Midlothian.