Yuu Yoshizawa is a Japanese voice actress, singer, and narrator. This name is a pseudonym used by the voice actress Shiho Kawaragi (born April 29, 1976, in Tokyo), who is affiliated with the talent agency Kenyuu Office. She has been active in the entertainment industry since 1990 and has also recorded work under the name Kaname Yuzuki.

In the 2004 live-action television drama adaptation of the classic sports manga Ace wo Nerae! (also known as Aim for the Ace!), Yuu Yoshizawa played the role of Takayuki Todou, the star player of the boys' tennis team and a key supporting character who encourages the protagonist, Hiromi Oka.

Beyond this live-action role, Yuu Yoshizawa is credited with a substantial body of work in animated series and video games. Her anime filmography includes roles such as Sekai Saionji in School Days, Mio Nishizono in Little Busters! and Kaginado, Rinka Hayami in Assassination Classroom, Megu Kakizaki in Rozen Maiden Träumend and Ouvertüre, Aki Aoi in Aki Sora, and Hitomi Takami in Ane Haramix. In video games, she voiced Cheria Barnes in Tales of Graces. She is also recognized as the Japanese voice of Isabella Garcia-Shapiro in the animated series Phineas and Ferb.

Throughout her career, she has engaged in recurring creative collaborations. She was a member of the musical unit Plume alongside fellow voice actresses Ai Mizuno and Aya Endo; the group signed with the record label Lantis in 2007. She also participated in the unit Oeser Corps with other cast members from the anime Fantastic Children.

Among her notable achievements, Yuu Yoshizawa has performed theme songs for several anime series, including the opening and ending themes for Kakyuusei 2 and the ending theme for Oku-sama wa Joshi Kōsei.