Heldorado is a 1946 American Western film starring Roy Rogers set during the annual Helldorado Days celebrations in Las Vegas.

Roy Rogers is a Captain in the Nevada Rangers who plans to take some well earned leave to go to Helldorado celebrations.

His leave is interrupted when the Sheriff of Clark County, Nevada requests his help to investigate money laundering being done by an organized crime syndicate.

The Syndicate uses impoverished local playboy Alec Baxter to launder thousand dollar bills at the gaming tables of the casinos of the state.

During this time socialite Carol Randall is elected Queen of the Helldorado Rodeo and is also made a deputy sheriff.