Marie-Ève Sansfaçon is a Canadian actress and voice artist from Quebec, recognized primarily for her work in French-language dubbing of films and television series. She is a graduate in acting from the École de théâtre of Cégep de St-Hyacinthe and has a significant background in musical theatre, having performed in productions such as Mary Poppins and The Wizard of Oz. Her stage and television work includes appearances in series like O’, Les Bobos, and Discussions avec mes parents.

As a dubbing artist, Sansfaçon has become particularly well-known for providing the Quebecois French voice for the character Miles "Tails" Prower in the Sonic the Hedgehog film series. She assumed the role starting with Sonic the Hedgehog 2, later reprising it for Sonic the Hedgehog 3 and the television series Knuckles, which continues the story from the films. Beyond the world of Sonic, her voice credits in animation include the role of Emily in the anime-influenced series Bakugan: Geogan Rising. Her other dubbing work for live-action projects includes voicing characters such as Honeymaren in Frozen II, Spidersuit in Spider-Man: Homecoming, and Lieutenant Connix in Star Wars: Episode IX.

Her vocal abilities are versatile, with professional training that includes masterclasses in dubbing and voice-over with industry experts. Her dubbing work is documented at an advanced level, and she is capable of voicing characters across a range of ages, from child to mature adult. Sansfaçon is an active member of the Union des artistes (UDA) and works in both English and French, adapting to various accents including Quebecois and standard normative French.