2019–20 Southern Combination Football League Premier Division

The Premier Division consists of 20 clubs, the same as last season, after Arundel and Shoreham were relegated to Division One, and Chichester City were promoted to Isthmian League Division One South.

Three clubs joined the division:
 * Alfold – promoted from Division One
 * Steyning Town – promoted from Division One
 * Horley Town – transferred from Combined Counties Football League Premier Division