A cyclone dust collecting apparatus and a cleaner having the same include a grille unit including an introduction pipe communicating with the suction port and adapted to guide the air into the main cyclone chamber, and a grille body detachably provided to the introduction pipe and allowing the air to be discharged from the main cyclone chamber after dust particles in the air having a size greater than or equal to a certain size is filtered out. With this configuration, the spatial utilization of the cyclone structure may be facilitated, and visualization of the dust collection chamber may allow a user to gain satisfaction from cleaning operation.