Natsuyo Atarashi is a Japanese voice actress and stage actress from Osaka Prefecture. She is affiliated with O Production after being a student of the late voice actor Tōru Ōhira and was formerly a member of the Theatre Company Shiki. She graduated from Chiba Prefectural Funabashi High School and Waseda University's First School of Literature and Literature. Her blood type is O.

Atarashi's early career was primarily focused on stage work with the Theatre Company Shiki. She returned to voice acting in 2012 after a period away from the industry.

One of her notable anime roles is Kozaru in the 2004 series Jubei-chan 2: The Counterattack of Siberia Yagyu. In this sequel produced by Madhouse, she voiced the character Kozaru, one of the monkey-themed brothers known for their comedic relief. Her other voice acting credits include the role of Namepii in the long-running series Ojarumaru in 1998, a minor role in the OVA Makasete Iruka! in 2004, and the character Onikiri in the 2012 anime adaptation of Kamisama Hajimemashita. She also provided a voice for the 2012 film Arashi no Yoru ni.