Scottish Division One is the highest division of the Scottish Football League and the second highest in the Scottish football league system.

The division contains ten teams and each year the top team may be promoted to the Scottish Premier League, pending the correct stadium criteria. The bottom two are relegated to Division Two. The teams play each other four times with three points for a victory and one point each for a drawn game.

Teams for 2004/05 season

• Airdrie United F.C.
• Clyde F.C.
• Falkirk F.C.
• Hamilton Academical F.C.
• Partick Thistle F.C.
• Queen of the South F.C.
• Raith Rovers F.C.
• Ross County F.C.
• St Johnstone F.C.
• St Mirren F.C.

Winners of the First Division

• 1975 - 1976 - Partick Thistle F.C.
• 1976 - 1977 - St Mirren F.C.
• 1977 - 1978 - Morton F.C.
• 1978 - 1979 - Dundee F.C.
• 1979 - 1980 - Heart of Midlothian F.C.
• 1980 - 1981 - Hibernian F.C.
• 1981 - 1982 - Motherwell F.C.
• 1982 - 1983 - St Johnstone F.C.
• 1983 - 1984 - Morton F.C.
• 1984 - 1985 - Motherwell F.C.
• 1985 - 1986 - Hamilton Academical F.C.
• 1986 - 1987 - Morton F.C.
• 1987 - 1988 - Hamilton Academical F.C.
• 1988 - 1989 - Dunfermline Athletic F.C.
• 1989 - 1990 - St Johnstone F.C.
• 1990 - 1991 - Falkirk F.C.
• 1991 - 1992 - Dundee F.C.
• 1992 - 1993 - Raith Rovers F.C.
• 1993 - 1994 - Falkirk F.C.
• 1994 - 1995 - Raith Rovers F.C.
• 1995 - 1996 - Dunfermline Athletic F.C.
• 1996 - 1997 - St Johnstone F.C.
• 1997 - 1998 - Dundee F.C.
• 1998 - 1999 - Hibernian F.C.
• 1999 - 2000 - St Mirren F.C.
• 2000 - 2001 - Livingston F.C.
• 2001 - 2002 - Partick Thistle F.C.
• 2002 - 2003 - Falkirk F.C.
• 2003 - 2004 - Inverness Caledonian Thistle F.C.