To provide a novel resin long material support having improved user-friendliness.

The resin long material support A comprises a bolt mounting part A1 to be detachably mounted on a hanging bolt B, and a receiving and supporting part A2 formed integrally therewith for receiving and supporting a long material C in its lateral attitude perpendicular to the hanging bolt B. The bolt mounting part A1 has a receiving recessed portion 1 for receiving the semi-peripheral face of the hanging bolt B in its radial direction, and a fixing portion 5 for fixing the hanging bolt B between the receiving recessed portion 1 and itself. The fixing portion 5 is formed to be rockingly openable/closable to or freely detachable from the receiving recessed portion 1.