Naoya Inoue Autographs
Naoya Inoue (井上 尚弥, Inoue Naoya; born 10 April 1993) is a Japanese professional boxer. He has held multiple world championships in four weight classes, and is one of only three male boxers in history to become the undisputed champion in two weight classes in the "four-belt era". Nicknamed "the Monster" (怪物 Kaibutsu), Inoue is known for his exceptional punching power, possessing a knockout-to-win percentage of 84.375%.
He is the first and only boxer to win the undisputed championship at super bantamweight, having held all four major world titles since 2023, as well as the Ring magazine title. Previously he held the undisputed championship and the Ring title at bantamweight between 2022 and 2023. He became the first undisputed bantamweight champion since Enrique Pinder in 1972, and the first boxer in history to do so in the four-belt era.
Earlier in his career, Inoue held the World Boxing Council (WBC) light flyweight title in 2014, the World Boxing Organization (WBO) junior bantamweight title from 2014 to 2018, and the World Boxing Association (WBA) bantamweight title (Unified version) from 2018 to 2019. He won the 2018–2019 World Boxing Super Series bantamweight tournament.
Read more about Naoya Inoue on Wikipedia
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Current items with a signature of Naoya Inoue
These are the most current items with a signature of Naoya Inoue that were listed on eBay and on other online stores - click here for more items.
Traded items with a signature of Naoya Inoue
The most expensive item with a signature of Naoya Inoue (PSA Naoya Inoue Boxing BBM Bulk Sale Set Autograph Card etc Rare) was sold in December 2025 for $14,259.80 while the cheapest item (Naoya Inoue autograph Rare Signed Red Boxing glove In Silver, Authentic COA) found a new owner for $0.99 in February 2024. The month with the most items sold (31) was May 2026 with an average selling price of $115.99 for an autographed item of Naoya Inoue. Sold items reached their highest average selling price in June 2025 with $2,628.50 and the month that saw the lowest prices with $0.99 was February 2024. In average, an autographed item from Naoya Inoue is worth $170.67.
Most recently, these items with a signature of Naoya Inoue were sold on eBay - click here for more items.
