Matthew Sean Leon (born January 30, 1991), better known under the stage name Sean Leon, is a Canadian recording artist and record producer from Toronto, Ontario. He is the founder of the IXXI Initiative, formed in 2012 in Toronto.
In July 2013, Sean released his debut mixtape Ninelevenne, the Tragedy followed by his second project Narcissus, the Drowning of Ego on January 22, 2014.