Heartwood is wood nearer the pith of a stem or branch, different in colour from sapwood.
Heartwood may also refer to:
Heartwood Forest, which, when complete, will be the largest new native forest in England Heartwood – The Southwest Virginia Artisan Gateway, a building in Virginia, United States Heartwood (film), a 1998 American film starring Jason Robards Heartwood (novel), a 2025 American novel by Amity Gaige