Aina has been sidelined for the past three months with a hamstring injury.
The 26-year-old was last in action for Torino in the 2-1 away win at Udinese on October 23, 2022.
Incidentally, he scored the Turin club’s opening goal in the encounter.
The versatile defender trained with his teammates for the first time since sustaining the injury on Tuesday.
Aina has made 10 league appearances for Ivan Juric’s side this season.
Torino will travel to Empoli for their next Serie A game on Saturday.