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).
Uko Tachibana has appeared in 4 movies.
These include Genbanojō, Hal, One Piece: The Desert Princess and the Pirates: Adventure in Alabasta and Touch: Cross Road.Uko Tachibana has appeared in 12 TV Series.
These include I My Me! Strawberry Eggs, カスミン, My Wife is a Magical Girl: Bewitched Agnes, IGPX: Immortal Grand Prix, Big Windup!, Kaina of the Great Snow Sea, Komi Can't Communicate, Redo of Healer, Chainsaw Man, Ascendance of a Bookworm, 86: Eighty-Six and SPY x FAMILY.