1990–91 Courage League National Division Two

1990–91 Courage League National Division Two
Countries England
ChampionsRugby (1st title)
Runners-upLondon Irish
RelegatedRichmond and Headingley
Matches played78
Top point scorer117   Brian Mullen
(London Irish)
Top try scorer9   Lindsay Renwick
(London Scottish)

The 1990–91 Courage League National Division Two was the fourth full season of rugby union within the second tier of the English league system, currently known as the RFU Championship.

Rugby, the champions, were promoted to the Courage League National Division One for season 1991–92 along with the runner–up, London Irish. Headingley finished last and were relegated to Courage League National Division Three for season 1991–92 as were Richmond who finished one place above them.