Junto Nakataniis a Japanese professional boxer. He has held world championships in three weight classes, including the World Boxing Organization (WBO) flyweight title from 2020 to 2022 and the WBO junior bantamweight title in 2023, the unified World Boxing Council (WBC) and International Boxing Federation (IBF) between 2024 and 2025, and the Ring Magazine bantamweight title in 2025.
Nakatani's amateur career was brief but notable, highlighted by winning the under-15 National Championships.
He had an amateur record of 14 wins (10 KOs) and 2 losses. At age 17, he turned professional after receiving his C-Class boxing license.