The invention discloses a pole nameplate mounting bracket. The pole nameplate mounting bracket comprises a bracket body, slide rails, fasteners and fixing stays, a clamping groove is formed in one side of the bracket body, fixing holes are formed in the bracket body, mounting holes are formed in the bottoms of the two ends of each slide rail, and the fasteners integrally pass through the fixing holes and the mounting holes in the slide rails from the side, where the clamping groove is formed, of the bracket body, so that the bracket body is fixedly connected with the slide rails, two slide blocks provided with through holes are arranged in the slide rails, and protrusions are arranged at the two sides of one end of each fixing stay, wherein the protrusions are inclined toward the other side of the corresponding fixing stay, and the diameter of each protrusion of each fixing stay is larger than that of each mounting hole in each slide rail.