A bicycle kickstand may include a crank arm to mount a pedal to a bicycle frame, which has a slot formed in a longitudinal direction thereof, a pedal coupled perpendicular to the slot of the crank arm and configured to rotate in the longitudinal direction of the crank arm, a middle arm received in the slot of the crank arm and having both end portions which are respectively connected to the crank arm and the pedal in order to allow the pedal to be inclined with respect to the crank arm, and a safety pin configured to be inserted through the slot of the crank arm and the pedal in order to support the pedal in a perpendicular state or an inclined state with respect to the crank arm.