Yukihiro Nozuyama is a Japanese voice actor born on December 24, 1996, in Osaka Prefecture. He stands 170cm tall and has a blood type of A. After graduating from Osaka Amusement Media Specialist School in 2017, he joined the agency Rush Style as a junior member and became a full member in February 2020. In November 2022, he moved to the agency Stay Luck.

Nozuyama made his voice acting debut in 2017 with a minor role in the television anime My First Girlfriend is a Gal. His career gained significant momentum after he was cast as Dice Arisugawa in the multimedia rap project Hypnosis Mic -Division Rap Battle-. This role became a defining part of his career, and he has voiced the character across various media, including the television anime series Hypnosis Mic -Division Rap Battle- Rhyme Anima, its sequel Rhyme Anima+, and the mobile game Hypnosis Mic -Alternative Rap Battle-. As part of the Hypnosis Mic cast, he received the Singing Award at the 13th Seiyu Awards.

Throughout his career, Nozuyama has built an extensive filmography with a wide range of supporting and leading roles. In 2021, he voiced Heimdall in the Netflix series Record of Ragnarok, Ryohei Hayashi in Tokyo Revengers, and also appeared as a character named after himself in the series Odd Taxi. The following year, he took on roles such as Ryo Natsuki in the badminton anime Salaryman's Club, Kiyoshiro Haneda in Tribe Nine, and Rintarō Kirinzawa in the anime film A Turtle's Shell Is a Human's Ribs. In 2023, he continued to voice his Tokyo Revengers character in subsequent seasons and reprised his role as Dice Arisugawa in the new Hypnosis Mic anime series. He also voiced the character Zabu in the 2024 anime series Bucchigiri?! and played Takuma Nagitsuji in the Gundam Breaker Battlogue web anime.

In addition to his anime work, Nozuyama has voiced characters in numerous video games, including the role of士导逸鹤 in Cardfight!! Vanguard EX and毛利元就 in Monster Strike. He has also participated in stage reading events such as Shinjuku RUMBLE FISH.

Nozuyama is known for his comedic interests; in 2019, he formed a manzai comedy duo with his senior colleague, voice actor Sho Hayami, and they competed together in the M-1 Grand Prix contest. He announced his marriage to actress Momoka Kodama in October 2021, and the couple welcomed their first child, a son, in April 2024.