Sandra Studer (born 10 February 1969, Zürich) is a Swiss moderator and singer who represented Switzerland in Eurovision Song Contest 1991, which was held in Rome, Italy. Performing with the stage name Sandra Simó, she came fifth with her song, Canzone Per Te ("A Song For You"), which she sang in Italian (.
She is now a major Swiss television personality, under her real name, Sandra Studer. Simo had previously appeared in the 1990 Swiss Eurovision heat with the song "Lo so" which was placed last. In recent years she has hosted the Swiss and German national heats of Eurovision and has also provided commentary of the contest for German audiences in Switzerland.