Chiharu Tezuka is a Japanese voice actress born on October 27, 1974, in Tokyo. She is affiliated with the talent management firm Arts Vision. Tezuka is a graduate of the Japan Narration Acting Institute.

Tezuka began her career in the early 1990s. She was a member of the voice actor unit Cristal A, formed with fellow actresses including Saiga Mitsuki.

Tezuka has built a career spanning animation and video games since the 1990s. In the late 1990s and early 2000s, she secured a variety of roles in original video animations and television series. She played Jun Kamishiro in the 1999 OVA Meltylancer: The Animation. In 2001, she voiced Viola Gyunee in the OVA Zone of the Enders: 2167 Idolo, a role she also performed in the Zone of the Enders video games. The same year, she was the voice of Kenta in the anime adaptation of X.

Throughout the 1990s and 2000s, Tezuka appeared in numerous television series. Examples of her roles from this period include Miina Saionji in Only You Viva! Cabaret Club (1998), Yoshiharu Amachi in Let's Dance With Papa (1999), Sanae Niijima in Ashita no Yukinojō (1999), and Victoria Nelson in Gals! (released in some regions as Hooligan) (2001). She also voiced supporting characters in critically acclaimed series such as Reika Yamamoto in Serial Experiments Lain (1998).

In addition to her anime work, Tezuka has been active in video games. She is known for her roles as Akira Kazama in the Rival Schools/Project Justice series and as Julia Douglas in the Growlanser series. She also voiced characters in games based on anime franchises, such as Cellaria Markelight in Soul Link.

Based on the available information, there are no widely reported recurring collaborations with specific directors or studios, nor any major public awards. Her career is characterized by a broad range of supporting roles in various media, with a notable concentration of work in the late 1990s and early 2000s, particularly within the OVA and video game sectors.