A micro movable element array includes a first frame; a second frame; a first movable part row including plural first movable parts and a second movable part row including plural second movable parts. The first movable parts include first movable main parts. The second movable parts include second movable main parts. The first and second frames are stacked such that the first and second movable part rows are opposed to each other. In the first movable part row, the first movable parts are located such that the first movable main parts are arranged in a first direction and the first movable main parts and gaps are disposed alternately. In the second movable part row, the second movable parts are located such that the second movable main parts are arranged in the first direction and the second movable main parts are opposed to the corresponding gaps.