Heart of the Sea may refer to:
In the Heart of the Sea, a 2000 book by Nathaniel Philbrick In the Heart of the Sea (film), a 2015 film by Ron Howard based on the book Heart of the Sea, a 2000 novel by Nora Roberts Heart of the Sea, a 2002 American documentary film about Rell Sunn "The Heart of the Sea", a song by Flogging Molly from their 2011 album Speed of Darkness
See also Hearts at Sea, a 1950 Italian film Heart of the Ocean (disambiguation)