Mari Oda is a Japanese voice actress from Tokyo, Japan. She is also known by the alias Takema Chinomi, a name under which she has performed in numerous voice roles. Her birth date is listed as March 5th. Oda's professional work is primarily focused on voice acting for original anime videos and adult games.

Her career includes a range of roles, particularly in animated adaptations of visual novels. She is credited with the role of Reika Mikage in the series Night Shift Nurses: Experiment. In the series Shinobi Seduction, she provided the voice for the character Shiyoshi. She also voiced Motoko Tamura in the series Rinkan Club. Another credited role is Ruby in the movie STAR Jewel.

Beyond the titles mentioned, Oda's filmography includes other voice roles in anime. She voiced Tenna Yamabuki in the original video animation Cantaloupe Collector and Hijiri Takano in the series Maple Colors. Her work also extends to the mainstream television anime Shuffle! and Shuffle! Memories, where she played the character Nadeshiko Benibara. She was also the voice of President Mariko in the series Lovedol -Lovely Idol-. In addition to anime, her voice work includes the role of Meifeng Lee in the visual novel Witch of Steel Annerose and she has performed in radio dramas, such as voicing Cleo for Radio Genso Suikoden: Assemble! 108 Stars!.