Scottish National League Division One
| Formerly | National League, Premiership Division Two |
|---|---|
| Sport | Rugby union |
| Founded | 1973 |
| No. of teams | 12 |
| Country |
 Scotland
|
| Most recent champion(s) |
Marr RFC |
| Level on pyramid | 2 |
| Promotion to | Premiership |
| Relegation to | National League Division Two |
The Scottish National League Division One (known as the BT National League Division 1 for sponsorship reasons) is the second tier of the Scottish League Championship for amateur rugby union clubs in Scotland.
The winners are promoted to the Scottish Premiership, with the runners-up entering a play-off at a neutral venue against the 9th-placed team in the Premiership. The bottom two teams are relegated to Scottish National League Division Two.
Promoted from 2015–16 Scottish National League Division Two
Relegated from 2015–16 Scottish Premiership
Details: [1]
Winners of the second tier competition – includes Division Two (1973–2012), National League (2013–2014) and National League Division One (2015–)
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