"Io senza te" (Me without you) is a song by Peter, Sue and Marc, performed in Italian, that represented Switzerland in the Eurovision Song Contest 1981.
Peter, Sue & Marc represented Switzerland at the Contest on four separate occasions, each time singing in a different language; in 1971 with "Les illusions de nos vingt ans" in French, in 1976 with "Djambo, Djambo" in English, in 1979 with "Trödler und Co" in German and finally in 1981 with "Io senza te" in Italian, a record in Eurovision history.
The song was written by Peter Reber and Nella Martinetti. It was performed 19th on the night of the contest, following Cyprus' Island with "Monika" and preceding Sweden's Björn Skifs with "Fångad i en dröm". It received 121 points, receiving five 12-points (the most in the contest), placing 4th in a field of 20, the best-placed song by the trio in the contest.
The song was succeeded as Swiss representative at the 1982 contest by Arlette Zola with "Amour on t'aime".