Yū Shimamura is a Japanese voice actress born in Tokyo on April 18, 1985. She is affiliated with the talent agency Ken Production, having previously been with Office Kaoru from her debut in 2005 until 2008. Her height is 158 cm, and her blood type is A.

Shimamura began her professional career in 2005 when she was selected for the role of Luxe Houjou in the original net animation series The Wings of Rean, a project based on a light novel by director Yoshiyuki Tomino. This debut marked the start of a career that would see her become a sought-after talent across anime, video games, and foreign film dubbing. In her early years, she voiced numerous minor and supporting characters, building a foundation of experience.

A significant turning point in her career came in 2013 when she was cast as Annie Leonhart in the globally popular series Attack on Titan. Her portrayal of the stoic and formidable warrior brought her widespread recognition, and she has reprised this role across multiple seasons, films, and original video animations, including Attack on Titan: The Final Season and Attack on Titan: Lost Girls. In 2015, she took on the lead role of Haruka Haruno, also known as Cure Flora, in the magical girl series Go! Princess Precure. This role made her a central figure in the long-running Precure franchise and showcased her ability to voice a more energetic and hopeful character.

Shimamura has demonstrated considerable range, taking on a wide variety of roles across different genres. She voices the intelligent and formidable physician Akiko Yosano in the long-running series Bungo Stray Dogs, a role she has played since 2016 in the main anime, the film Bungo Stray Dogs: Dead Apple, and the spin-off Bungo Stray Dogs Wan!. In 2021, she brought energy to the role of the digital partner Jellymon in Digimon Ghost Game. Other notable anime roles include Hare Menjō in Guilty Crown, Millais Alloy in Mobile Suit Gundam AGE, Aida Surugan in Gundam Reconguista in G, Kaoru Mizusaki in Aldnoah.Zero, Mito Jūjō in Seraph of the End, Shinobu Kawajiri in JoJo's Bizarre Adventure: Diamond Is Unbreakable, Chartreux Westia in Boarding School Juliet, Yayoi Uenoyama in Given, Ichi Mezato in Mob Psycho 100 III, Kiri in The Fire Hunter, and Blake Belladonna in RWBY: Ice Queendom.

Her talent extends beyond television. Shimamura has voiced numerous characters in films, such as Sakurako in The Stranger by the Shore. She also has a significant presence in video games, where she is best known for voicing Princess Zelda in acclaimed titles like The Legend of Zelda: Skyward Sword, The Legend of Zelda: Breath of the Wild, and The Legend of Zelda: Tears of the Kingdom. Her other notable game roles include Cindy Aurum in Final Fantasy XV, Patty Lowell in Devil May Cry 5, Gloria Noi Muse in Bravely Default II, and Penthesilea in Fate/Grand Order. In addition to original animation, she is active in dubbing foreign films and television series for Japanese audiences.

Shimamura has expressed a passion for swimming, playing the ukulele, watching movies, and following football. She continues to be active in new productions each year, maintaining a steady career into the 2020s with roles in series such as Mecha-Ude, Metallic Rouge, and The Fire Hunter. In 2024, she was among a group of voice actors who spoke out against the unauthorized use of their voices by artificial intelligence, advocating for the rights of professionals in her industry.