1956–57 Tweede Divisie

The Dutch Tweede Divisie in the 1956–57 season was contested by 30 teams, divided in two groups. It was the first season of the new lowest tier of Dutch professional football, organised by the Royal Dutch Football Association (KNVB). Teams could not be relegated to amateur football. RBC and Leeuwarden won the championship and were promoted to the Eerste Divisie.

1956–57 Tweede Divisie

The Dutch Tweede Divisie in the 1956–57 season was contested by 30 teams, divided in two groups. It was the first season of the new lowest tier of Dutch professional football, organised by the Royal Dutch Football Association (KNVB). Teams could not be relegated to amateur football. RBC and Leeuwarden won the championship and were promoted to the Eerste Divisie.