List of Famous people born on March 31st

Lekain was the stage name of Henri Louis Cain, a French actor.

Étienne Bézout was a French mathematician who was born in Nemours, Seine-et-Marne, France, and died in Avon, France.

Haruka Nishio , better known by her stage name Yūka Nishio is a Japanese musician, singer, voice actress and DJ from Kanagawa Prefecture who is affiliated with Hibiki. She was formerly active as a solo musician under the name Haruca, releasing the single "Eien no Kotae" in 2017. She is known for her roles as Nanami Hiromachi in BanG Dream!, where she also serves as the bassist of the band Morfonica, and as Rinku Aimoto, the protagonist of the multimedia franchise D4DJ.

Alfred Ephraim Hunt (1855-1899) was a 19th-century American metallurgist and industrialist best known for founding the company that would eventually become Alcoa, the world's largest producer and distributor of aluminum.