Alessandro Tripaldelli (born 9 February 1999) is an Italian professional footballer who plays as a left back for Italian club Cagliari.
He is a product of Juventus youth teams and started playing for their Under-19 squad in the 2017–18 season. He appeared for their Under-19 squad in the 2016–17 UEFA Youth League and 2017–18 UEFA Youth League.
On 30 January 2018, he was sold by Juventus to Sassuolo for 1.5 million euros and loaned back to Juventus for the remainder of the 2017–18 season.
On 31 August 2018, he joined Dutch club PEC Zwolle on a season-long loan. He made his Eredivisie debut for PEC Zwolle on 16 September 2018 in a game against Vitesse, as a starter.
On 10 January 2019, Tripaldelli joined Serie B side Crotone on loan.
On 28 September 2019, he played his first game in Serie A with Sassuolo.
On 17 September 2020, he joined Serie A side Cagliari.