Dieleghem Wood (French: Bois de Dieleghem, pronounced [bwa də dilɡɛm]) or Dielegem Wood (Dutch: Dielegembos, pronounced [ˈdiləɣɛmˌbɔs]) is a public forest in the municipality of Jette in Brussels, Belgium.

Dieleghem Wood has an exceptional biodiversity[3] and is part of the Natura 2000 Special Protection Area in the Brussels-Capital Region.

There are several zones of trees within Dieleghem Wood: alders and poplars in the lower, humid areas; beech trees in the higher, dry areas; as well as shrubs.

[1] The forest is also home to ancient beech trees that are approximately 200 years old.

[1][4] The forest is under European protection as part of the Natura 2000 Habitat Directive Area "Forests and wetlands of the Molenbeek valley in the north-west of the Brussels region".