Davide Santon (born 2 January 1991 in Portomaggiore, Ferrara) is an Italian professional footballer who plays for Premier League club Newcastle United, and for the Italian national team. He started his career as a right sided attacker later reverting to an attacking full back who can play on both sides and is known for his energetic runs down the flank.

Santon joined Inter's youth system at age 14 from Ravenna. He started out as a winger before moving into a defensive role. After helping the Primavera side win the 2006–07 Campionato Primavera and reaching the final play-off for a second consecutive season, he was called-up to join the first team for the 2008–09 pre-season training in South Tyrol and training sessions during the first half of the season.

José Mourinho first named Santon in the line up for a September Champions League game against Panathinaikos and the next three games but did not use him. On 21 January 2009, Santon made his debut in the Coppa Italia quarterfinal win against Roma, playing the entire match. Four days later, he made his Serie A debut in a 1–0 victory against Sampdoria. He made his European debut in the home draw with Manchester United, tasked with marking Cristiano Ronaldo. Santon garnered praise for his performance prompting Ronaldo to comment: ."I was impressed by Santon, he is a really interesting lad and a great footballer." Mourinho praised Santon for his personality and tactical versatility and Santon was handed the starting role for the next game. He started 13 league games and made two substitute appearances, thus winning his first senior honour, the 2008–09 Serie A title.