The 1997–98 Divizia C was the 42nd season of Liga III, the third tier of the Romanian football league system.
Metalul Toflea was spared from relegation due to the withdrawal of Victoria IUG Galați.
Steaua Mizil merged with Juventus Colentina București, the first one being absorbed by the second one.
Ceres Ciocănești took the place of Constructorul Craiova.
Arsenal Sadu took the place of CS Olt 90 Scornicești.