Alessandro Florenzi Cavaliere OMRI (born 11 March 1991) is an Italian professional footballer who plays as a full-back for Serie A club AC Milan.

A product of Roma youth academy, Florenzi made his serie A debut in a 3–1 win against Sampdoria on 22 May 2011, replacing Francesco Totti as a substitute.

[6] Florenzi ended his first full season with the Roma first team, making 36 Serie A appearances and scoring three goals.

Florenzi also featured in all ten of Roma's victories from the start of the season, a Serie A record, scoring against Livorno, Parma, Bologna and Inter during the run.

Florenzi made his Champions League debut as a substitute for the injured Juan Iturbe in the 5–1 group stage victory against CSKA Moscow on 17 September.

[10] Florenzi scored his first goal of the season as Roma won 2–0 against Cagliari, having set up Mattia Destro for the opener.

[13] On 26 October 2016, Florenzi suffered an anterior cruciate ligament injury in his left knee during Roma's 3–1 away win against Sassuolo, causing him to be out for at least four months.

[22] On 21 August 2021, AC Milan announced the signing of Florenzi from Roma on an initial loan deal, with the option to make the transfer permanent.

[30] He suffered a hamstring injury in early September 2022, and was successfully operated by surgeon Lasse Lempainen in Turku, Finland.

On 14 November 2012, Florenzi made his debut for the senior team under coach Cesare Prandelli in a friendly match against France.

[35] Florenzi was part of the Italy under-21 squad for the 2013 UEFA European Under-21 Championship in Israel, as the Azzurrini reached the final, losing to Spain 4–2.

[37] On 15 October 2013, Florenzi scored his first senior goal on his competitive debut in a World Cup qualifying match against Armenia that ended in a 2–2 draw at the Stadio San Paolo in Naples.

[39] On 30 August 2014, new Italy head coach Antonio Conte named Florenzi in his first squad for the upcoming European qualifying matches.