Yūko Araki is a Japanese actress and model who has also worked as a voice actor for anime and dubbed foreign films. She was born on December 15, 1993, in Tokyo and is represented by the talent agency Stardust Promotion. Her career began when she was scouted in elementary school, leading to her first leading film role in 2008.

While Araki is primarily known for her extensive work in live-action television dramas and films, her voice acting credits include the role of Gabby Gabby in the Japanese dub of the animated film Toy Story 4 in 2019, which marked her voice acting debut. In anime, she is known for providing the voice of Senpai in the 2021 animated film 100 Nichikan Ikita Wani (The Crocodile That Lived for 100 Days). In this film, she was part of a cast that included Ryunosuke Kamiki as the Crocodile and Tomoya Nakamura as the Mouse.

Her career includes a period as an exclusive model for the fashion magazine non-no from 2014 to 2021. Her acting work in live-action productions includes notable roles in the television series Code Blue (2017), Crisis: Special Security Squad (2017), and Suits (2018–2020), as well as films such as Kingdom 4: Return of the Great General (2024) and Once Upon a Crime (2023). For her performances in live-action dramas, she received the Best Newcomer Award at the 8th Confidence Award Drama Prize. Information on recurring voice acting collaborations or other notable achievements specific to her work as an anime voice actor is not available.