The invention discloses a range-only radar networking single-target clustering positioning method and solves the problem that a conventional outlier identification method is not suitable for dynamic situations and is poor in real-time performance in the radar networking single-target positioning process. The method comprises the following steps: 1) carrying out combination on networking radars to obtain intersection point coordinates; 2) determining intensity degree at the places where intersection points locate according to the distance sum of the intersection points; and 3) comparing the intensity degree of the intersection points with a clustering detection threshold value, and finishing outlier point identification and target positioning. Compared with a conventional method, the method is easy to achieve engineering realization and is high in real-time performance and accuracy, and can improve target positioning precision effectively.