The invention provides a suspended single-rail articulated train which is capable of reducing the quantity of bogies and effectively improving the passenger carrying capability of the train. The suspended single-rail articulated train comprises an adjacent first train body and an adjacent second train body, wherein a first bogie and a third bogie are respectively arranged on the far ends of the adjacent first train body and the adjacent second train body, the first bogie is fixedly connected with the adjacent first train body through a first suspension rod, and the third bogie is fixedly connected with the adjacent second train body through a third suspension rod; and a second bogie is arranged on the near ends of the adjacent first train body and the adjacent second train body, the adjacent first train body is fixedly provided with a lower center plate, the adjacent second train body is fixedly provided with an upper center plate, the lower center plate is articulated with the upper center plate through a pin shaft, and the adjacent first train body is fixedly connected with the lower center plate through a second suspension rod.