Secteur Ä was a 1990s French rap association based in Sarcelles, France and named after a sector in the region.
The association was made up of artists mainly coming from Val-d'Oise region (Garges-lès-Gonesse, Sarcelles and Villiers-le-Bel).
It was composed of the rappers Passi, Stomy Bugsy, Doc Gynéco, Ärsenik (Lino & Calbo), Nèg' Marrons (Jacky, Ben J and Djamatik), Hamed Daye, MC Janik and La Clinique.
In 1998, they found great success with a series of gigs including a major appearance at Paris Olympia on 22–23 May 1998 on the 150th anniversary of the abolition of slavery.
Newer adherents included Futuristiq (made of Qrono & Nubi), Fdy Phenomen and R'n'B singer Singuila.