Margherita Rinaldi (born 12 January 1935) is an Italian lyric soprano, primarily active in the 1960s and 1970s. Rinaldi was born in Turin, Italy, and completed her music studies in Rovigo. She won a voice competition in Spoleto and made her debut there in 1958 in the title role of Lucia di Lammermoor. Her debut at La Scala in Milan came the following year as Sinaide in Rossini's Mosè in Egitto. Rinaldi sang at most of the major opera houses in Italy, in roles such as Amina in La sonnambula, Adina in L'elisir d'amore, Norina in Don Pasquale and especially Gilda in Rigoletto. She also excelled in operas by Mozart and Cimarosa.