Junior Bantamweight (ジュニアバンタム級, Junia Bantamu-kyū) is a weight class in boxing. Boxers of this weight division weigh between 50.80 kg (112 lb) to 52.16 kg (115 lb).
Junior Bantamweights[]
| Junior Bantamweights | |||
|---|---|---|---|
| Current | |||
| Former | |||
 (Retired) | |||
Champions[]
WBA Champions[]
| No. | Boxeur | Reign | Defenses |
| 1 |  Saburō Watanabe
|
Unknown | Unknown |
WBC Champions[]
| No. | Boxeur | Reign | Defenses |
| 1 | Saburō Watanabe
|
Unknown | Unknown |