It is aimed to make a ground terminal easily broken even if forces are applied to the ground terminal from various directions. A ground terminal (10) to be attached to a body (11) includes a body fixing portion (12) to be fixed to the body 11 and a wire connecting portion (14) to be connected to a wire (13). The body fixing portion (12) is plate-like and includes a through hole (19) through which a fixing member is inserted. The body fixing portion (12) is formed with an arc groove having an arc shape along a peripheral edge of the through hole (19). The body fixing portion (12) is formed with an oblique groove connected to the arc groove and extending to intersect an extending direction of the wire connected to the wire connecting portion (14).