"Sei tu" () is a song written and recorded by Italian singer-songwriter Levante. It was released on 25 February 2026 by Warner Records Italy and Warner Music Italy.
The song was presented in competition during the Sanremo Music Festival 2026.
The music video for "Sei tu", directed by Francesco Lorusso, was published in conjunction with the release of the song through Levante's YouTube channel.
Italian broadcaster RAI organised the 76th edition of the Sanremo Music Festival between 24 and 28 February 2026. On 30 November 2025, Levante was announced among the participants of the festival, with the title of his competing entry revealed the following 14 December.