Madeleine Morris, known professionally as Maddie Morris, is an American voice actress and ADR scriptwriter who has been active in the anime industry since the mid-2010s. She was born on March 29, 1992, in Austin, Texas, and began her performance career working in theater in Dallas before moving into voice acting.

Morris has built an extensive filmography, providing English dub voices for a wide range of anime series. She is known for her versatility, voicing characters across many genres and age groups. Her major lead roles include Hibiki Sakura in How Heavy Are the Dumbbells You Lift?, Kabane Kusaka in Kemono Jihen, Sorawo Kamikoshi in Otherside Picnic, Mona Tsukishiro in My Senpai Is Annoying, Nagisa Minase in Girlfriend, Girlfriend, and the young version of protagonist Rudeus Greyrat in Mushoku Tensei: Jobless Reincarnation.

In addition to these leads, her other significant roles include Miko Iino in Kaguya-sama: Love is War?, Inca Kasugatani in Fire Force, Kanne in Frieren: Beyond Journey's End, Javelin in Azur Lane, Eru Chitanda in Hyouka, and Yui Kodai in My Hero Academia. As requested, she also provided the voice for the character Eagle in the series Demon Lord, Retry! R.

Beyond her on-screen performances, Morris works behind the scenes as an ADR scriptwriter and adapter. Her script adaptation credits include Assault Lily Bouquet, Girlfriend, Girlfriend, Heavenly Delusion, and the 2025 series Medalist. She is frequently affiliated with Funimation and Crunchyroll productions and has also worked with studios such as Kocha Sound.