2018–19 Hellenic Football League Division One East

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

At the end of the 2017–18 season, the following teams left the division: The remaining 10 teams, together with the following, form Division One East for 2018–19:
 * Promoted to Step 5
 * Virginia Water, to the Premier Division
 * Transferred within Step 6
 * Sandhurst Town, to the Combined Counties League
 * Relegated to Step 7
 * Chalfont Wasps
 * Relegated from Step 5
 * Burnham, from the Premier Division
 * Woodley United, from the Premier Division
 * From outside the English football league system
 * Abingdon Town
 * Chalvey Sports