1989–90 Courage League National Division Two

The 1989–90 Courage League National Division Two was the third full season of rugby union within the second tier of the English league system, currently known as the RFU Championship. Each team played one match against each of the other teams in the league, playing a total of eleven matches. Three teams participated in the division for the first time. They were Waterloo who were relegated from last seasons Division One, and Rugby and Plymouth Albion who were promoted from Division Three. They joined the nine teams who remained from the previous seasons.

1989–90 Courage League National Division Two

The 1989–90 Courage League National Division Two was the third full season of rugby union within the second tier of the English league system, currently known as the RFU Championship. Each team played one match against each of the other teams in the league, playing a total of eleven matches. Three teams participated in the division for the first time. They were Waterloo who were relegated from last seasons Division One, and Rugby and Plymouth Albion who were promoted from Division Three. They joined the nine teams who remained from the previous seasons.