2005–06 Scottish First Division
| Season | 2005–06 | 
|---|---|
| Champions | St Mirren | 
| Promoted | St Mirren | 
| Relegated | Stranraer Brechin City | 
| Top goalscorer | Bryan Prunty (15) Jason Scotland (15) | 
| ← 2004–05  2006–07 →  | |
The 2005–06 Scottish First Division was won by St Mirren.
As league champions, St Mirren were promoted to the Scottish Premier League.
Allan Jenkins scored the Stranraer winner on a 2 January South West relegation derby leaving Queen of the South firmly in the play off spot that was ninth place.[1] However Jenkins was sold to Gretna 10 days later.[2] Stranraer's league form imploded immediately recording only one other league win from then until the season's end.[1] Queens over hauled Stranraer who subsequently lost in a relegation playoff Semi-Final to be relegated along with Brechin City to the Scottish Second Division.
Scottish Second Division winners Gretna and playoff winners Partick Thistle were promoted.
Table
| P | Team | Pld | W | D | L | GF | GA | GD | Pts | Promotion or relegation | 
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | St Mirren | 36 | 23 | 7 | 6 | 52 | 28 | 24 | 76 | Promoted to 2006–07 Scottish Premier League | 
| 2 | St Johnstone | 36 | 18 | 12 | 6 | 59 | 34 | 25 | 66 | |
| 3 | Hamilton Academical | 36 | 15 | 14 | 7 | 53 | 39 | 12 | 59 | |
| 4 | Ross County | 36 | 14 | 14 | 8 | 47 | 40 | 7 | 56 | |
| 5 | Clyde | 36 | 15 | 10 | 11 | 54 | 42 | 12 | 55 | |
| 6 | Airdrie United | 36 | 11 | 12 | 13 | 57 | 43 | 14 | 45 | |
| 7 | Dundee | 36 | 9 | 16 | 11 | 43 | 50 | -7 | 43 | |
| 8 | Queen of the South | 36 | 7 | 12 | 17 | 31 | 54 | -23 | 33 | |
| 9 | Stranraer | 36 | 5 | 14 | 17 | 33 | 53 | -20 | 29 |  | 
| 10 | Brechin City | 36 | 2 | 11 | 23 | 28 | 74 | -46 | 17 | |
Top scorers
| Player | Club | Goals | 
|---|---|---|
|  Bryan Prunty | Airdrie United | 15 | 
|  Jason Scotland | St Johnstone | 15 | 
|  John Sutton | St Mirren | 14 | 
|  Alex Williams | Clyde | 13 | 
|  Simon Lynch | Dundee | 13 | 
|  Stewart Kean | St Mirren | 12 | 
|  John Rankin | Ross County | 12 | 
|  Stephen O'Donnell | Clyde | 11 | 
Attendances
The average attendances for First Division clubs for season 2005/06 are shown below:
| Club | Average | 
|---|---|
| St Mirren | 3,995 | 
| Dundee | 3,797 | 
| St Johnstone | 2,667 | 
| Ross County | 2,302 | 
| Queen of the South | 1,804 | 
| Hamilton Academical | 1,761 | 
| Airdrie United | 1,426 | 
| Clyde | 1,284 | 
| Brechin City | 770 | 
| Stranraer | 654 | 
First Division play-offs
The playoff semi-finals took place on 3 May 2006 and 6 May 2006. The final took place on 10 May 2006 and 14 May 2006.
Semi-finals
- Stranraer 1–3 Partick Thistle
- Partick Thistle 1–2 Stranraer
- Morton 0–0 Peterhead
- Peterhead 1–0 Morton
Final
- Partick Thistle 1–2 Peterhead
- Peterhead 1–2 Partick Thistle
(Partick Thistle win 4–2 on penalties, aet)