Suicide King

(The) Suicide King may refer to:
 * King (playing card), or king of hearts, sometimes called the "suicide king"
 * Suicide King (album), a 2019 album by King 810
 * The Suicide King (novel), a novel by Robert Joseph Levy, based on the television series Buffy the Vampire Slayer
 * The Suicide King (The Walking Dead), an episode of the television series The Walking Dead