A robot hand includes a first proximal end finger having a first protrusion at a distal end of the first proximal end finger, a first distal end finger that is connected to the first proximal end finger in a relatively rotatable manner and has a first cutout allowable the first protrusion to pass, a second proximal end finger having a second protrusion at a distal end of the second proximal end finger, a second distal end finger that is connected to the second proximal end finger in a relatively rotatable manner and has a second cutout allowable the second protrusion to pass, an opening and closing drive unit that relatively moves the second proximal end finger with respect to the first proximal end finger, a first rotation drive unit that relatively rotates the first distal end finger with respect to the first proximal end finger, a second rotation drive unit that relatively rotates the second distal end finger with respect to the second proximal end finger, and a controller that actuates the opening and closing drive unit, the first rotation drive unit, and the second rotation drive unit.