Balderdash is a board game.
Balderdash may also refer to:
Balderdash (game show), a television show based on the game "Balderdash", a 2007 single by Ipso Facto (band) Balderdash, nickname of Adam Balding, an English rugby union footballer
See also Ganser syndrome, also called balderdash syndrome, a rare mental disorder Balderdash and Piffle, a radio show regarding English words Boulder Dash (disambiguation)