The utility model discloses a single-motor multi-encoder test table, which comprises a bottom plate, an electric motor and encoders, wherein the electric motor is fixedly arranged on the bottom plate, an output shaft of the electric motor is connected with a shaft through a shaft coupler, and a plurality of encoders are fixedly connected onto the shaft through an installing plate. The single-motor multi-encoder test table has the advantages that the equipment is simple, the mounting and the dismounting are easy, the work is safe and reliable, the stability of the elastic shaft coupler is utilized, and the lengthening of a motor shaft is realized, so the encoders are simultaneously connected onto one electric motor, a great application value is realized, and the research and development cost is saved.