Antonio Junior Vacca (born 13 May 1990) is an Italian professional footballer who plays as a defensive midfielder for Serie D club Scafatese.
Vacca made his Serie C debut for Benevento on 31 January 2010 in a game against Arezzo.
On 16 July 2019, Vacca signed a 3-year contract with Venezia. Vacca's contract with Venezia was terminated by mutual consent on 8 September 2022.
On 19 January 2023, Vacca returned to Foggia on a 1.5-year contract. The contract was terminated by mutual consent on 24 January 2024. After leaving Foggia, Vacca signed for Serie D club Scafatese in August 2024.
On 26 January 2019, Vacca was a victim of a robbery by two criminals who tried to steal his jewels, however, they were not able to take the jewels, but his car was damaged by a gunshot; Vacca was not harmed.