A rear luggage compartment structure for a hatchback vehicle includes a trunk board comprising front and rear boards which is changeable between a normal position where the front and rear board are laid on front and rear parts of a rear luggage compartment floor, respectively, and a built-up position where the rear board is held upright and the front board is situated horizontally between a rear seat and the rear board held upright so as thereby to create a luggage storage space over the front board that is accessible from a passenger compartment and a secret box under the front board.