Bobby Madden is the referee for the match between Scottish Premiership leaders Dundee United and St Johnstone at Tannadice on Saturday.
Don Robertson is the man in the middle for Sunday’s BBC ALBA televised clash between Championship pacesetters Hearts and Livingston at Tynecastle.
Mat Northcroft will handle the meeting of League 1 leaders Ayr United and Airdrieonians at Somerset Park and Gavin Ross is the referee as League 2 frontrunners Arbroath host Elgin City.
Scottish Premiership - Saturday
Aberdeen v Inverness CT – John Beaton
Dundee United v St Johnstone – Bobby Madden
Kilmarnock v Partick Thistle – Andrew Dallas
Motherwell v Hamilton Accies – Willie Collum
Ross County v Dundee – Craig Charleston
St Mirren v Celtic – Craig Thomson (Live on Sky Sports, 12.45pm)
Scottish Championship – Saturday
Cowdenbeath v Queen of the South – Euan Anderson
Dumbarton v Alloa Athletic – Steven McLean
Raith Rovers v Falkirk – Des Roache
Scottish Championship – Sunday
Hearts v Livingston – Don Robertson (Live on BBC ALBA, 4.05pm)
Scottish Championship – Monday
Rangers v Hibernian – Calum Murray (Live on BT Sport, 7.45pm)
Scottish League 1 – Saturday
Ayr United v Airdrieonians – Mat Northcroft
Dunfermline Athletic v Peterhead – Greg Aitken
Forfar Athletic v Brechin City – Kevin Graham
Stenhousemuir v Morton – Alan Muir
Stranraer v Stirling Albion – John McKendrick
Scottish League 2 – Saturday
Albion Rovers v East Stirlingshire – Alan Newlands
Arbroath v Elgin City – Gavin Ross
Clyde v Annan Athletic – David Munro
Montrose v East Fife – Colin Steven
Queen’s Park v Berwick Rangers – Grant Irvine