Hana Sato is a Japanese voice actress affiliated with the ACROSS ENTERTAINMENT talent agency. She was born on April 26, 1986, in Tokyo, Japan.

Sato has built a career through a wide variety of voice roles in anime television series and films. One of her earliest major roles was as Shizuka Hazome in the 2014 anime The Pilot's Love Song. She has since taken on a range of characters, from young boys and creatures to schoolteachers and background citizens. A significant body of her work involves playing supporting or episodic characters in numerous popular series. Notable examples include providing voices for multiple characters in The Ancient Magus Bride, such as Ariel and various spirits. She has also voiced characters in long-running and globally popular franchises, including minor roles in Demon Slayer: Kimetsu no Yaiba and multiple entries in the Yo-kai Watch series, such as Togu in Yo-kai Watch: Shadowside.

In addition to these varied roles, Sato has portrayed several key and recurring characters. She is the voice of the titular character Pascal-sensei in the short-form anime 100 Pascal-sensei. In the surreal science-fiction series Sonny Boy, she voiced the character Pony. For the popular series SPY x FAMILY, she plays Emile Elman, a friend and classmate of the main character Anya Forger at Eden Academy. She has also lent her voice to characters in children's programming, such as Bakeho in Obake Zukan, Autobahn in Tomica Kizuna Gattai Earth Granner, and Lets in Go Go Vehicle Zoo. In 2024, she took on the lead role of Chikomaru in the short-form anime adaptation of the popular social media manga Chikomaru.

Her filmography reveals frequent collaborations with specific animation studios and roles in various franchises. She has contributed voices to multiple installments of The Ancient Magus Bride franchise and has had roles in several productions by studio Madhouse, including Sonny Boy and the 2024 anime adaptations of Delicious in Dungeon and Atri My Dear Moments. Her work is characterized by a high frequency of roles, often playing multiple characters within a single series, demonstrating her vocal range and versatility as a performer.