Demba Thiam Ngagne (born 9 March 1998) is a Senegalese professional footballer who plays as a goalkeeper for club Monza.
Thiam started playing for the Under-19 squad of SPAL in the 2016âÂÂ17 season and made two bench appearances for the senior squad in the Serie B.
On 17 July 2017, he was loaned to Serie C club Fano. Thiam made his Serie C debut for Fano on 16 December 2017 in a game against Fermana as a starter. He remained Fano's first-choice goalkeeper for the remainder of the season.
Thiam was the third goalkeeper for the first part of the 2018âÂÂ19 Serie A season, but did not see any playing time behind Alfred Gomis and Vanja MilinkoviÃÂ-SaviÃÂ. On 9 January 2019, he returned to Serie C on another loan, to Viterbese Castrense.
He came back to SPAL at the end of loan, and he made his Serie A debut in a 1âÂÂ1 home draw against Torino on 26 July 2020.
In September 2022, Thiam renewed his contract with the club until 2025.
On 31 January 2023, he joined Foggia on loan until the end of the season.
On 20 July 2023, Thiam moved on loan to Juve Stabia. After winning promotion to Serie B with the Campanians, his loan was renewed for the 2024âÂÂ25 season, this time with an option to buy.
On 8 July 2025, he signed with Serie B club Monza.
Thiam also has Italian citizenship through marriage to a Neapolitan woman, with whom he has a daughter.