Guglielmo Vicario (born 7 October 1996) is an Italian professional footballer who plays as a goalkeeper for Serie A club Juventus, on loan from Premier League club Tottenham Hotspur, and the Italy national team. Vicario started his professional career at Udinese but never played a first team match for the club. After a loan move to Fontanafredda, he joined Venezia, before signing for Cagliari in 2019, where he featured rarely and was subsequently loaned out to Perugia and Empoli. He signed permanently with the latter in 2022 before joining Premier League side Tottenham Hotspur in 2023 where he won his first major trophy, the 2024–25 UEFA Europa League.