An aspect of the present disclosure provides a wire harness support member that makes it easier to increase the range in which a position tolerance of a bolt can be handled. A support member according to one aspect of the present disclosure includes: a main body portion that includes a holding portion for holding an electric wire; and a bolt fixing member that is a separate member from the main body portion. The bold fixing member includes a fixing hole into which a bolt provided on a vehicle body side is inserted and fixed, and an insertion portion serving as a supported portion. The main body portion includes a groove portion that is formed along a direction that intersects an axial direction of the bolt (height direction), and the groove portion movably supports the insertion portion in the length direction of the groove portion (height direction).