Yuki Kodaira is a Japanese voice actress affiliated with the agency Ken Production. She was born on January 28, 1981, in Mitaka, Tokyo. Her journey into performance began in 1999 when she joined the training school of the Theater Company Tōen. She later graduated from the voice actor training school School Duo as part of its fourth generation of students before signing with Ken Production, where she has built a substantial career in anime, video games, and dubbing.

Kodaira is recognized for her mezzo-soprano vocal range and her versatility, allowing her to portray a wide array of characters, from energetic young boys to mature women. This skill is evident in her extensive list of anime roles. In the Battle Spirits franchise, she has taken on several parts, including Cook in Battle Spirits: Mirage and Battle Spirits: Kakumei no Galette, Kazuya Taiga in Battle Spirits Double Drive, and Taichi in Battle Spirits Burning Soul. One of her earlier notable roles is Akiko Tanizaki, the kind but firm nurse in the 2006 drama series Looking Up At The Half-Moon.

Kodaira has been a consistent presence in several long-running and popular series. She is well-known for her work in the Inazuma Eleven franchise, where she voiced multiple characters including Kusuke Matsuno, Ryuuji Midorikawa, and Maki Sumeragi. Her other prominent anime credits include Eito Umihara in Beyblade: Shogun Steel, Hayato Hayakawa in 100% Pascal-sensei, and Takeru Osanai in Soaring Sky! Pretty Cure. She has also had roles in major productions such as Mobile Suit Gundam 00, Fullmetal Alchemist: Brotherhood, and Attack on Titan.

Beyond anime, Kodaira has achieved significant recognition in the video game industry. She is particularly celebrated for voicing the protagonist Link in the Japanese versions of The Legend of Zelda: Spirit Tracks and The Legend of Zelda: Tri Force Heroes. Her game credits are extensive and include characters in Super Mario Odyssey (Tiara, Madame Broode, and Cookatiel), Fire Emblem Echoes: Shadows of Valentia, the Suikoden series, and Ever Oasis. She is also active in dubbing foreign-language content, famously providing the Japanese voice for Raven in the Teen Titans animated series.

A recurring theme in Kodaira's career is her long-standing association with Ken Production, which has supported her work across various media. She is also a core member of KenKen Park, a storytelling group within her agency where voice actors perform picture book readings for children. Her talents extend to music; she performs under the artist name Yuuki, writing lyrics and singing, which further showcases her creative range. Through her consistent performances in major franchises, versatile character portrayals, and engaging presence in projects for young audiences, Yuki Kodaira has established herself as a familiar and respected voice in the Japanese entertainment industry.