Nada Tončić (July 30, 1909 – March 29, 1998) was a Croatian soprano opera singer.
Tončić was born in Syrmian city of Zemun (then in Kingdom of Croatia-Slavonia, Kingdom of Hungary, Austria-Hungary, now in Belgrade Region, Serbia). She studied singing at the Zagreb Academy of Music. Her career began in 1933 in the opera company of the Croatian National Theatre in Zagreb, where she remained until 1963.
Her lyric soprano became famous in her roles in La traviata, Ero s onoga svijeta, Madame Butterfly, Porin, Eugene Onegin and others.
She died in Varaždin, Croatia, in 1998, at the age of 89.