Mattia Zaccagni (Italian pronunciation: ; born 16 June 1995) is an Italian professional footballer who plays as a midfielder or striker for Serie A side Lazio and the Italy national team. Zaccagni made his professional debut in the Lega Pro for Venezia on 10 September 2014 in a game against Südtirol. He made his Serie A debut for Verona on 23 September 2015 as a 75th-minute substitute for Jacopo Sala in a 1–0 loss against Internazionale. On 17 March 2020, he tested positive for COVID-19. On 31 August 2021 Zaccagni completed a move from Hellas Verona to Lazio on loan with a conditional obligation to buy. Zaccagni was called up to the senior Italy squad in November 2020.