The 2014–15 Tunisian Ligue Professionnelle 3 (Tunisian Professional League) season began on 7 November 2014.
42 teams compete in 3 groups of 14 teams each.
[1] The winner of each group is promoted to Tunisian Ligue Professionnelle 2, while the four last teams of each group are relegated to the Tunisian Ligue 4.