The Sanremo Music Festival 1958 (), officially the 8th Italian Song Festival (), was the eight annual Sanremo Music Festival, held at the Sanremo Casino in Sanremo between 30 January and 1 February 1958. It was organised by SocietÃÂ ATA, concessionary of the Sanremo Casino, and broadcast by (RAI). The show was presented by actor Gianni Agus, assisted by television announcer Fulvia Colombo.
According to the rules of this edition every song was performed in a double performance by a couple of singers or groups, with some artists performing multiple songs. The winner of the festival was "Nel blu, dipinto di blu", performed by Domenico Modugno (who was also the composer of the song) and Johnny Dorelli. Modugno went on to perform the song for at the Eurovision Song Contest 1958.
All shows were broadcast on Italian Television and Secondo Programma, beginning at 22:00 CET.
Known details on the broadcasts of the final in each country, including the specific broadcasting stations are shown in the tables below.