2018–19 Hellenic Football League Premier Division

The 2018–19 Hellenic Football League Premier Division is the 66th in the history of the Hellenic Football League, a football competition in England.

The provisional club allocations for steps 5 and 6 were announced by the FA on 25 May 2018. The constitution was ratified by the league at its AGM on 8 July.

At the end of the 2017–18 season, the following teams left the division: The remaining 14 teams, together with the following, form the Premier Division for 2018–19: One team changed its name:
 * Promoted to Step 4
 * Bracknell Town, to Isthmian League South Central
 * Highworth Town, to Southern League West
 * Thatcham Town, to Southern League West
 * Relegated to Step 6
 * Burnham, to Division One East
 * Woodley United, to Division One East
 * Folded
 * Oxford City Nomads
 * Promoted from Step 6
 * Ardley United, from Division One West
 * Shrivenham, from Division One West
 * Virginia Water, from Division One East
 * Transferred within Step 5
 * Holmer Green, from the Spartan South Midlands League
 * Relegated from Step 4
 * Bishop's Cleeve, from Southern League West
 * Highmoor Ibis was renamed Reading City