Family name Gayanã (Gayanã) , across the world, is an extremely rare surname.
Carles, Shahazizyan, Ghougassian, Ghazaryan, Grigoryan, Stepanyan, Missirian, Minassian, Manoukian, Faravelshahinyan, Tavitian, Dandiguian, Papazian, Pachabezian, Bakaloglou, Barseghyan, Manukyan, Manasian, Katchadourian, and Guiragossian