Hiroki Takahashi is a prominent Japanese actor, voice actor, and singer born on September 7, 1974, in Tokyo, Japan. He has been active in the entertainment industry since his debut in 1994 and is currently affiliated with the talent agency Max Mix. Before pursuing voice acting, Takahashi had aspired to be a professional wrestler, but an injury led him to change his career path. He subsequently enrolled in a vocational school for voice acting, launching his decades-spanning career.

Takahashi is known for his versatile vocal range, often playing passionate or "hot-blooded" characters, though he also demonstrates notable range by voicing characters with vastly different tones. He has taken on numerous leading and supporting roles across anime, video games, and foreign language dubbing. Some of his most iconic and enduring roles include Eiji Kikumaru in The Prince of Tennis series, Katsuya Jonouchi (Joey Wheeler) in Yu-Gi-Oh! Duel Monsters, Hisoka in the 1999 adaptation of Hunter × Hunter, and Kenji Harima in School Rumble. He is also well-known as the voice of the personified nation of Japan in the long-running Hetalia franchise, a role he has played for over a decade.

His career includes a wide array of performances in the 2000s and 2010s. Notable credits from this period include Stephen Gevanni in Death Note, Superbia Squalo in Katekyō Hitman Reborn!, Koujaku in DRAMatical Murder, and Pariston Hill in the 2011 Hunter × Hunter series. In the 2020s, he has continued to be active in high-profile series, taking on roles such as Ura-Acca in Wonder Egg Priority, Seto Narukami in Scarlet Nexus, Stagnate in The Faraway Paladin, Hokuto Amanokawa in Digimon Ghost Game, Yūsuke Yokokawa in Love All Play, and Jōji Kitō in The Human Crazy University. He also voiced Keith Kepler in the popular series Spy × Family.

Beyond anime, Takahashi has an extensive and highly regarded career in video games. He is the definitive voice of Ryu from the Street Fighter series in all mainline installments and related crossover games since Street Fighter IV. His other significant game roles include Emet-Selch in Final Fantasy XIV, Teach in Xenoblade Chronicles 3, Kukri in The King of Fighters XIV and XV, and Shū Itsuki in Ensemble Stars!. He is also active in dubbing foreign films and series, providing the Japanese voice for actors such as Jake Gyllenhaal in numerous films, including Brothers, Source Code, and Spider-Man: Far From Home.

Takahashi is also a singer, having debuted in 1998, and is a member of the seven-person male voice actor unit STA☆MEN.