Keisuke Oda is a Japanese voice actor born on October 27, 1976, in Hirosaki, Aomori Prefecture, Japan. He is known for his tenor voice range and his ability to perform using the Tsugaru dialect of his native region. During his career, he has also worked under the stage names Yoshinori Fujita and Keisuke Fujita. Oda stands 173 cm tall with blood type O.

Oda began his voice acting career in the late 1990s after training at the Tokyo Announce Gakuin. He was affiliated with several agencies over the years, including Atelier Peach, Theater Sugoroku, Arts Vision, and finally Kenyu Office, where he remained until September 2016. He was active in the industry from the late 1990s until approximately 2016, after which several of his long-term roles were recast with other voice actors.

His career includes a wide range of roles in television anime, video games, drama CDs, and dubbing. One of his notable roles is Arthur in the 2014 mecha anime series Nobunaga The Fool, which reimagines historical figures in a conflict between the Eastern and Western Stars. Other significant anime roles include Kaoru Hitachiin in Ouran High School Host Club, Masumi Okuyama in Nodame Cantabile, Ginka Midarezaki in Kyōran Kazoku Nikki, Kiruru in Keroro Gunso, and Gin Natsume in The Eccentric Family. He also voiced characters such as Alexandros XVIII in Trinity Blood, Gordin in Fire Emblem, and Yuuki Sakuragi in King of Prism. His video game work includes roles such as Skeleton-T in the Puyo Puyo series and Elbert Levin in the Wand of Fortune series. In addition to voice work, Oda hosted the radio program VOICE CREW.

While Oda did not receive major formal industry awards, he built a dedicated following through his versatile performances in both comedic and dramatic roles throughout his career.