A clutch pedal apparatus for a vehicle for reducing effort may include a rear fixed magnet and a front fixed magnet respectively fixed at an initial position and a last position of a movement section of a pushrod with a predetermined distance in a cylinder housing included in a clutch master cylinder, and a moveable magnet coupled to the pushrod disposed between the rear fixed magnet and the front fixed magnet, wherein the moveable magnet guides complete restoration of a pedal arm via magnetic force with the rear fixed magnet during an initial manipulation and reverse restoration of the pedal arm and generates a turnover force via a magnetic force with the front fixed magnet during a full stroke manipulation of the pedal arm.