The 1986–87 Divizia B was the 47th season of the second tier of the Romanian football league system.
The format has been maintained to three series, each of them having 18 teams.
Aripile Bacău was renamed as Aripile Victoria Bacău.
Delta Tulcea was renamed as Delta Dinamo Tulcea.
The Series I top scorers:[3] The Series II top scorers:[3] The Series III top scorers:[3]