Hikaru Tanaka is a Japanese voice actor from Tokyo affiliated with the talent agency Ken Production. He is the son of the late, renowned voice actress Atsuko Tanaka, a fact that became publicly known following his announcement of her passing in 2024. His professional career began in 2018 after he completed his training at the voice actor school School Duo, and he has been a member of Ken Production since 2019.

Tanaka has built a versatile portfolio with roles across anime, video games, and foreign film dubbing. In anime, one of his notable early film roles is Golf in the 2021 feature Mobile Suit Gundam Hathaway. He also voiced the character Tsukasa Mukai in the 2023 television series Skip and Loafer. His other anime credits include roles in More Than a Married Couple, But Not Lovers, Cyberpunk: Edgerunners, Lucifer and the Biscuit Hammer, The aquatope on white sand, and To Your Eternity. His work in the industry also extends to video games, with voice roles in major titles such as Street Fighter 6, Final Fantasy XVI, and Armored Core VI.

Beyond anime and games, Tanaka is active in dubbing foreign films and series into Japanese. His credits in this field include providing the Japanese voice for characters in films like Aquaman, Twisters, and the Mean Girls musical. He has also contributed voices to various projects for streaming platforms like Netflix and Disney+.

In addition to his on-screen voice work, Tanaka is involved in theater. In 2023, he founded a theater company called Gentsuki Cinema with fellow voice actors. He is also known to have hobbies and skills that include photography, video editing, design, and painting.