A label sheet cutting apparatus includes a first rotating shaft and a second rotating shaft arranged parallel to each other, a driving device configured to rotate the first rotating shaft and the second rotating shaft, and a cutter unit including a first disc-like rotary blade and a second disc-like rotary blade each having a hole in a center, and a holding member configured to rotatably support the first rotary blade and the second rotary blade, and hold one surface of the first rotary blade and one surface of the second rotary blade such that the two surfaces are partially in contact with each other, the cutter unit configured to cut a sheet-like medium to be cut which is fed to pass between the first rotary blade and the second rotary blade. The first rotating shaft and the second rotating shaft are inserted into the holes of the first rotary blade and the second rotary blade and rotate the first rotary blade and the second rotary blade, respectively, and support the cutter unit such that the cutter unit is movable in an axial direction of the first rotating shaft and the second rotating shaft.