Jill Harris is an American voice actress. She has been voice acting professionally since 2015 and received her first lead role with Naho Takamiya in Orange. Some of her other roles include Aura Bella Flora in Overlord, Fuuka Akitsuki in Fuuka, Noelle Silva in Black Clover, Mayaka Ibara in Hyouka, Shino "Mandalay" Sosaki in My Hero Academia, Nino Nakano in The Quintessential Quintuplets, Yuzuriha in Hell's Paradise: Jigokuraku, Izumi Yasaka in Psycho-Pass: Sinners of the System, Asuka Kurashina in Aokana - Four Rhythms Across the Blue, and Charlie Morningstar in the pilot episode of Hazbin Hotel. Harris is also the English dub voice of Kana Ichinose's characters such as Suletta Mercury in Mobile Suit Gundam: The Witch From Mercury, Fern in Frieren: Beyond Journey's End, Sayu Ogiwara in Higehiro, and Marlya Noel in Fairy Gone.

Harris became engaged with voice actor Dallas Reid in 2019 and married them later that year.

On November 22, 2023, at Anime Weekend Atlanta, she revealed she identifies as queer.

On October 4, 2025, she announced she and Reid were getting divorced.