Yamato Kinjo is a Japanese actor and voice actor born on September 9, 1983, in Naha, Okinawa Prefecture. He began his entertainment career in 2010, initially focusing on stage performances before expanding into television and voice acting. He is currently affiliated with the agency Stay Luck.

Kinjo's career is marked by a significant role in the tokusatsu genre, playing Nobuharu Udo, also known as Kyoryu Blue, in the 2013 Super Sentai series Zyuden Sentai Kyoryuger. He later took on another role in the franchise as Takeshi Goutokuji, Kamen Rider Shirowe, in the 2022 series Kamen Rider Geats. His work in voice acting for anime began in earnest in 2014 with a starring role as Shun Kurosaki, known as Shay Obsidian in the English adaptation, in Yu-Gi-Oh! ARC-V. He has since provided voices for a variety of other anime series. Among these roles are Maa-kun in Rinshi!! Ekoda-chan and Gilled in Last Period: the journey to the end of the despair, as well as characters in Chainsaw Man, Haikyu!!, and The Fruit of Grisaia. In 2025, he is cast in the anime adaptations of Okinawa de Suki ni Natta Ko ga Hōgen Sugite Tsurasugiru as Tetsu Higa and The Beginning After the End as Reynolds Leywin.

Beyond original anime production, Kinjo is active in voice-over work for foreign films and series, providing the Japanese dub voices for actors such as Alfie Allen in John Wick, Austin Butler in Once Upon a Time in Hollywood, and Bill Skarsgård in Castle Rock. He also voiced the character Garry in the animated film Smallfoot. His work demonstrates recurring collaborations with the tokusatsu genre and production teams, as he has frequently worked with director坂本浩一 on various Super Sentai projects. A notable achievement includes his long-running portrayal of Kyoryu Blue, a role he has reprised in numerous films and crossover events over a decade after his first appearance, including the 2024 film Ohsama Sentai King-Ohger vs. Kyoryuger.