Chiaki Osawa, also known by the stage name Eri Sakurada, is a former Japanese voice actress active in anime from the late 1990s to the mid-2000s. She was born on November 19, 1981, in Tokyo, Japan. Her blood type is B, and she was formerly affiliated with the talent management firm Holy Peak.

Osawa's career in voice acting spanned from approximately 1999 to 2006. Her active period saw her take on a variety of roles, often in series that blended genres like comedy, fantasy, and adventure. One of her earliest and most prominent roles was providing the voice for the titular character, Kirara Imai, in the 2000 OVA Kirara. This role also showcased her musical talent, as she performed the opening theme song for the series, titled Power of Love.

In the same year, she voiced Nagisa Tojo in the comedy anime Miami Guns. Her portfolio also includes work in fantasy and adventure series. She was the voice of Veil in the 2000 anime adaptation of the video game Shin Megami Tensei: Devil Children, also known as Devichil. Another significant role was as Midori Mishina, one of the three heroic sisters, in the 2004 television series Shooting Starlets Musumet. For this series, she also contributed to the first opening theme, Ai no Senkou, alongside her co-stars Ayano Matsumoto and Akiko Kawase.

Osawa also took on roles in series centered on anthropomorphic animal characters. She voiced the cat character Tamami in the 2001 series Angel Tales (Tenshi no Shippo) and its 2003 sequel, Tenshi no Shippo Chu!. Her other voice credits from this period include roles in Street Fighter Alpha as Sakura Kasugano, Petite Princess Yucie, and the Negima! franchise. According to records, Osawa stepped back from voice acting activities following her marriage in 2006.