Uko Tachibana (橘 U子, Tachibana Yūko, March 15, 1973) is a Japanese voice actress from Tokyo. Formerly affiliated with Gekidan 21 Seiki Fox, she is currently affiliated with Kenyu Office. Her old stage name is Mari Koshi (合志 真理, Kōshi Mari).
2025Chainsaw Man - The Compilation Part 1Movieas Leech Devil (voice)2024Narenare -Cheer for You!-TV showas Tsuyako Otani (voice) · 3 episodes2023PLUTOTV showas Griffith (voice) · 1 episodes2023The Café Terrace and Its GoddessesTV showas Old Woman (voice) · 2 episodes2023Kaina of the Great Snow SeaTV showas Middle-aged woman (voice) · 3 episodes2022Chainsaw ManTV showas Leech Devil (voice) · 1 episodes2022BASTARD‼ -Heavy Metal, Dark Fantasy-TV showas Baba (voice) · 5 episodes2022SPY x FAMILYTV showas WISE Contact (voice) · 1 episodes2022AoashiTV showas Rimi Hino (voice) · 1 episodes2022Police in a PodTV showas Sakata (voice) · 1 episodes2021Komi Can't CommunicateTV showas Old Woman (voice) · 1 episodes202186 EIGHTY-SIXTV showas Bell Aegis (voice) · 1 episodes2021The Way of the HousehusbandTV showas Arai (voice) · 1 episodes2021Redo of HealerTV showas (voice) · 1 episodes2019Ascendance of a BookwormTV showas Carla (voice) · 6 episodes
2017GenbanojōMovieas Jiro (voice)2013HalMovieas Erika (voice)2007Big Windup!TV showas Kikue Hanai (voice) · 38 episodes2007One Piece: The Desert Princess and the Pirates: Adventure in AlabastaMovieas Miss Doublefinger (voice)
2005IGPX: Immortal Grand PrixTV showas Sola (voice) · 26 episodes
2005Madam is a Magical GirlTV showas Shinji Hosono (voice) · 13 episodes2004MonsterTV showas Prostitute B (voice) · 1 episodes
2003カスミンTV showas Mrs. Haniwa (voice) · 78 episodes2002Beyblade the Movie: Fierce BattleMovieas Satoru (voice)
2001I My Me! Strawberry EggsTV showas Shoichi Iwaya (voice) · 13 episodes
2001Touch 5: Cross RoadMovieas Girl B (voice)