Mariya Ise is a Japanese voice actress and narrator affiliated with Across Entertainment. Born on September 25, 1988, in Kanagawa Prefecture, her interest in pursuing acting was sparked in the third grade after watching the film Princess Mononoke. She made her debut in the anime series Aishiteruze Baby in 2004.

Ise's career is marked by a wide range of roles, from young boys to cheerful girls and bewitching women. An early major role was as Urara Kasugano, also known as Cure Lemonade, in the 2007 series Yes! PreCure 5 and its sequels, making her one of the youngest actresses to voice a main character in the franchise at the time. Her portrayal of Killua Zoldyck in the 2011 adaptation of Hunter × Hunter is considered a breakout role that significantly raised her profile. She also voices Levy McGarden in Fairy Tail, Stocking in Panty & Stocking with Garterbelt, and Pao-Lin Huang, also known as Dragon Kid, in Tiger & Bunny.

Ise has been a prolific voice actor, taking on leading roles in major series across different genres. She voices Reg in the critically acclaimed fantasy series Made in Abyss, a role she has reprised in films and a second season. In the psychological thriller The Promised Neverland, she played the strategic Ray. Her filmography also includes the role of Midari Ikishima in Kakegurui, Eureka (known as Bonnie in some dubs) in Pokémon the Series: XY, and Himeno in Chainsaw Man. She voiced Foo Fighters in JoJo's Bizarre Adventure: Stone Ocean, a casting that was particularly meaningful to her as a long-time fan of the series.

Other notable roles from the user's list include characters such as Riko Mine in Aria the Scarlet Ammo, Guila in The Seven Deadly Sins, Mika Harima in Durarara!!, Saku in Star Wars: Visions, and Lenessia Erhart Cowen in Log Horizon. She also voiced a young Kyojuro Rengoku in the film Demon Slayer: Kimetsu no Yaiba - The Movie: Mugen Train.

In 2015, Ise married and later announced the birth of her first child. She divorced in August 2022. As of 2023, she continues to be active in the industry, celebrating her 20th anniversary as a voice actor.