The 2006–07 Liga II was the 67th season of the second tier of the Romanian football league system. The name of the leagues in Romania was changed started with this season. (Divizia A was renamed as Liga I, Divizia B as Liga II, Divizia C as Liga III, Divizia D as Liga IV). The format has been changed from three series of 16 teams to two series, each of them consisting of 18 teams. The top two teams from each series were promoted at the end of the season to the Liga I, while the bottom four were relegated to the Liga III.