This linear motor (2) is provided with a movable element (10) capable of movement in a first direction and a fixed element (20). A yoke (22) is provided with a pair of back yokes (22a, 22b) disposed facing in a manner sandwiching the movable element (10) from a second direction perpendicular to the first direction. A plurality of field magnets (24) are provided along the first direction on each of the inner side surfaces (S1) of the pair of back yokes (22). A pair of auxiliary magnets (26a (26b)) are provided (i) on the end-side surfaces (S2) of the back yokes (22a (22b)) and (ii) near the endmost field magnets (24a') provided on the back yokes (22a (22b)). A magnetic member (30) is provided in a manner surrounding the pair of auxiliary magnets (26a, 26b).
