Yūya Chikaki is a Japanese voice actor born on October 4, 1982, in Ehime Prefecture, Japan. He is affiliated with the talent agency Production Ace. He began his career in 2007, with one of his earliest roles being in the video game Panic Palette. His blood type is B.

Chikaki is known for his work in anime, where he has played a variety of supporting and secondary characters. His most prominent role is as Shō Sawamura in the Space Battleship Yamato franchise. He first voiced the character in Space Battleship Yamato 2199 and subsequently reprised the role in the film Space Battleship Yamato 2199: Hoshi-Meguru Hakobune, as well as in Space Battleship Yamato 2202: Ai no Senshitachi and Space Battleship Yamato 2205: Aratanaru Tabidachi. Other notable anime roles include Takashi in Hinamatsuri and appearances in long-running series such as Crayon Shin-chan and Sazae-san. His filmography also includes roles in series like Sora no Otoshimono, Minami-ke Okaeri, and Area no Kishi.

In addition to anime, a significant portion of Chikaki's career is dedicated to voice-over work for foreign films and television series. He has provided the Japanese voice for characters in numerous projects, including the film The Hunger Games, the Korean drama I Sang, the series CSI: NY, and the British series Sherlock. He also voiced the character Hugo in the animated series Sofia the First.

His work extends to other areas of voice performance, including narrations for cinema commercials, voice-over for documentary programs, and roles in drama CDs. He has also served as a personality on the radio program Kado-maru Information Bureau.