Helldorado

Helldorado may refer to:
 * Helldorado, a nickname for Tombstone, Arizona (a variation of El Dorado) created by a disgruntled miner who wrote a letter in July 1881 to the Tombstone Nugget newspaper complaining about trying to find his fortune and ending up washing dishes
 * Helldorado (album), the eighth album by W.A.S.P., released in 1999
 * Helldorado (band), a Norwegian Americana band
 * Helldorado Days (Las Vegas), a rodeo, parade and festival in Las Vegas, Nevada (first held 1935)
 * Helldorado Days (Tombstone), an annual celebration and parade in Tombstone, Arizona (first held 1929)
 * Helldorado (video game), a 2007 strategy video game
 * Helldorado (film), a 1934 American film, starring Ralph Bellamy
 * Heldorado, a 1946 Roy Rogers film set in the Las Vegas Helldorado Days celebrations