Black walnut (disambiguation)
Black walnut may refer to:
Trees
Family Juglandaceae, genus Juglans sect. Rhysocaryon:
- Juglans nigra, the eastern black walnut, a species of flowering tree native to eastern North America.
 - Juglans californica, California black walnut or Southern California black walnut.
 - Juglans hindsii, the Northern California walnut or Hinds' black walnut.
 - Juglans major, Arizona black walnut.
 - Juglans microcarpa, Texas black walnut or little black walnut.
 - Juglans venezuelensis, a species of black walnut endemic to Venezuela.
 
Other:
- Endiandra globosa, an unrelated species of Australian rainforest tree from the family Lauraceae.
 - Endiandra palmerstonii, another species of Australian rainforest tree from the family Lauraceae.
 
Places
- Black Walnut, Missouri, a community in the United States
 - Black Walnut (Clover, Virginia), a historic house in Virginia