Melissa Marie Benoist (; born October 4, 1988) is an American actress and singer. She is known for her portrayal of the title character in the CBS/CW superhero drama series Supergirl (2015–present).

Benoist rose to prominence for her portrayal of Marley Rose on the Fox musical comedy-drama television series Glee (2012–2014), and has appeared in films such as Whiplash (2014), Danny Collins (2015), The Longest Ride (2015), Patriots Day (2016), Lowriders (2016), and Sun Dogs (2017) and portrayed David Koresh's wife Rachel in the miniseries Waco (2018). She made her Broadway debut in 2018 as Carole King in Beautiful: The Carole King Musical.