Maria Adelaide Mengas Matafome Ferreira (born 1959 in Minde, Alcanena) is a Portuguese singer.

She started as a rock singer with the hit "Baby suicida" in 1981. After that, she has sung ballads. She represented Portugal in the Eurovision Song Contest 1985 with the song "Penso em ti (Eu sei)" which came 18th with 9 points.