The invention relates to a rod-shaped suspended voltage limiter for an overhead line, and belongs to the field of external insulation and lightning protection of a power distribution and transmission line system. The rod-shaped suspended voltage limiter comprises an insulating core rod (3), wherein the two ends of the insulating core rod (3) are connected with fittings (1) bearing mechanical force, at least one voltage limiting component (4) is arranged on the outer side of the insulating core rod (3), a series-connection air gap (4) is formed between every two adjacent voltage limiting components (5) or between each voltage limiting component (5) and the corresponding fitting (1), and the insulating core rod (3) and the voltage limiting components (5) are wrapped in a composite jacket (2) after the insulating core rod (3) and the voltage limiting components (5) are combined into a whole. The rod-shaped suspended voltage limiter for the overhead line can not only play a role as a suspension insulator in suspending a wire, but also improve the lightning protection level of the overhead line through the voltage limiting components; the voltage limiter is a product integrating the function of supporting the wire in a suspended mode and the function of lightning protection; the discharge series-connection air gaps are arranged at equal intervals, and the voltage limiter can be installed and formed at one time, and is simple in structure, convenient to install, small in size, light in weight and low in cost.