Fleckenberg is a locality in the municipality Schmallenberg in the district Hochsauerlandkreis in North Rhine-Westphalia, Germany.

The village has 1544 inhabitants[1] and lies in the west of the municipality of Schmallenberg at a height of around 354 m on the Bundesstraße 236.

The river Latrop flows in Fleckenberg in the river Lenne.

Fleckenberg borders on the villages of Schmallenberg, Jagdhaus, Waidmannsruh, Wulwesort, Latrop, Harbecke, Werpe and Lenne.