Alessio Maestrelli (born 28 April 2003) is an Italian footballer who plays as a defender for club Ternana.
He made his Serie B debut for Frosinone on 2 April 2022 in a game against Lecce.
On 15 July 2023, Maestrelli signed a two-year contract with Serie C club Turris.
On 30 August 2024, Maestrelli moved to Ternana on a three-year deal.
His grandfathers Tommaso Maestrelli and Giuseppe Materazzi both were football players and later Lazio managers, and his uncle Marco Materazzi is a World Cup and Champions League winning player.