Whalebone or baleen is a filter-feeder system inside the mouths of baleen whales.
Whalebone may also refer to:
- Whalebone (album), by Marc Douglas Berardo
- Whalebone (horse), a racehorse
- Whalebone Tavern, a former pub in London, famous as a meeting place for 17th century radicals
- Whalebone Vineyard, a California wine estate