A soundproof wheel for a railway vehicle, comprising a soundproofing device mounted onto an inner peripheral surface of a rim section of the wheel, the soundproofing device including: a fixing ring fixed to the rim section with at least an outer peripheral portion of the fixing ring fitted in a groove formed along a circumferential direction in the inner peripheral surface of the rim section; a first elastic body section which is stuck to an outer peripheral surface of the fixing ring, and is disposed within the groove; an additional mass section which is stuck to a side of the first elastic body section opposite to the fixing ring, and is disposed within the groove; and a second elastic body section which is stuck to a side of the additional mass section opposite to the first elastic body section and is provided in the groove in such a way that no gap is formed between the second elastic body section and a bottom of the groove, wherein the first elastic body section includes a plurality of first elastic body pieces which are spaced apart from each other in a circumferential direction of the fixing ring, the second elastic body section includes a plurality of second elastic body pieces which are spaced apart from each other in the circumferential direction of the fixing ring, the additional mass section includes a plurality of additional mass pieces which are spaced apart from each other in the circumferential direction of the fixing ring, and each additional mass piece is stuck to any of the plurality of first elastic body pieces, and any of the plurality of second elastic body pieces, the wheel has multiple natural frequencies corresponding to multiple natural vibration modes, the soundproofing device includes a plurality of dynamic vibration absorbers, each dynamic vibration absorber having the additional mass piece, and the first and second elastic body pieces (13A, 13B), which are stuck to the additional mass piece, at least one dynamic vibration absorber of the plurality of dynamic vibration absorbers has a resonance frequency different from the resonance frequency of another dynamic vibration absorber, and any of the resonance frequencies of the plurality of dynamic vibration absorbers corresponds to any of the multiple natural frequencies. a fixing ring fixed to the rim section with at least an outer peripheral portion of the fixing ring fitted in a groove formed along a circumferential direction in the inner peripheral surface of the rim section; a first elastic body section which is stuck to an outer peripheral surface of the fixing ring, and is disposed within the groove; an additional mass section which is stuck to a side of the first elastic body section opposite to the fixing ring, and is disposed within the groove; and a second elastic body section which is stuck to a side of the additional mass section opposite to the first elastic body section and is provided in the groove in such a way that no gap is formed between the second elastic body section and a bottom of the groove, wherein the first elastic body section includes a plurality of first elastic body pieces which are spaced apart from each other in a circumferential direction of the fixing ring, the second elastic body section includes a plurality of second elastic body pieces which are spaced apart from each other in the circumferential direction of the fixing ring, the additional mass section includes a plurality of additional mass pieces which are spaced apart from each other in the circumferential direction of the fixing ring, and each additional mass piece is stuck to any of the plurality of first elastic body pieces, and any of the plurality of second elastic body pieces, the wheel has multiple natural frequencies corresponding to multiple natural vibration modes, the soundproofing device includes a plurality of dynamic vibration absorbers, each dynamic vibration absorber having the additional mass piece, and the first and second elastic body pieces (13A, 13B), which are stuck to the additional mass piece, at least one dynamic vibration absorber of the plurality of dynamic vibration absorbers has a resonance frequency different from the resonance frequency of another dynamic vibration absorber, and any of the resonance frequencies of the plurality of dynamic vibration absorbers corresponds to any of the multiple natural frequencies.