Kazuhiro Nakaya is a Japanese voice actor born on February 13, 1979, in the town of Nakafurano, Hokkaido. He began his voice acting career around the year 2000. Early in his career, he was affiliated with Stardas 21 and Super Shark Entertainment before transferring to his current agency, INTENTION, on June 1, 2017. His wife is voice actress Rinko Hayashi.

Nakaya has built a career with a wide range of roles in anime, video games, and foreign film dubbing. In anime, he is known for his work in several Marvel series produced in Japan, providing the Japanese voice for Steve Rogers, also known as Captain America. His credits for this role include the series Marvel Disk Wars: The Avengers, Marvel Future Avengers, and Marvel Future Avengers Season 2. Other notable anime roles include Tohei Iwasa in Secret Society Eagle Talon Golden Spell and Eiji Umasaki in AMAIM Warrior at the Borderline. His filmography also includes roles in series such as C, The厨神小当家, BEASTARS, and many others.

While active in anime, Nakaya is perhaps most recognized for his extensive work in video games, particularly the long-running Like a Dragon series from Sega. He first voiced the character Akira Nishikiyama in the original Yakuza game in 2005, a role he has reprised multiple times in subsequent titles and remakes. In a significant career milestone, he was cast as the new protagonist of the series, Ichiban Kasuga, starting with Yakuza: Like a Dragon in 2020, a role he has continued in later installments. His other game credits include characters in the Fire Emblem Heroes, Granblue Fantasy, and Tokyo Babel.

Nakaya has stated that his interest in becoming a voice actor began in elementary school, inspired by his love of anime. He is also known for his dedication to his roles; for instance, he observed motion capture sessions for Ichiban Kasuga to better understand how his character's movements would inform his vocal performance. In addition to his native Japanese, he has voiced characters in dubbed versions of foreign productions, such as Dave in the animated series Jurassic World Camp Cretaceous.