Youssef Soukouna (born 20 April 1981 in Goutte d'Or, Paris), better known by his stage name Sefyu (French pronunciation: ?[s?'fju], his first name in verlan), is a French rapper of Senegalese descent.
He comes from Aulnay-sous-Bois, a city in the French department of Seine-Saint-Denis of which is located within the northern suburbs of Paris.
Sefyu originally aspired to become a professional soccer player, but his dream was derailed after he sustained an injury whilst playing for English club Arsenal.
He emerged upon the hip-hop scene in the early 2000s to commercial and critical acclaim.