Antonio Baldassare Infantino (born 23 March 1991) is a British-Italian sprinter who has won two national titles at the senior level.

He competed at the 2020 Summer Olympics, in 200 m.[1] Born in England to Italian parents, Infantino trains at the Lee Valley Athletics Center in London, where he grew up sporting.

[2] For competition purposes, he transferred his country of allegiance from Great Britain to Italy in June 2016.

In April 2022 Infantino was issued with a three-year ban backdated to December 2021 for an anti-doping violation in relation to presence and use of a banned substance.

[4][5][6] The nature of the substance or details of the judgement were not publicly disclosed by the Italian Anti-Doping Organization.