Heart of Steel

Heart of Steel may refer to:


 * "Heart of Steel" (Batman: The Animated Series), a two part episode in the first season
 * "Heart of Steel" (Tvorchi song), the song representing Ukraine in the Eurovision Song Contest 2023
 * "Heart of Steel", a song from the 1988 album Kings of Metal by Manowar
 * "Heart of Steel", a song from the 1996 album Underworld by Divinyls
 * Hearts of Steel, a Protestant movement in Ireland
 * The Heart of Steel, a 2006 documentary film