The tournament consisted of ten matches held between 19 January and 16 March 1991.

England won the tournament, achieving a final 21–19 victory over France to win the Grand Slam, their first since 1980 and ninth overall in the Five Nations.

England also won the Triple Crown and Calcutta Cup as a result of their victories over the other Home Nations.

France and Scotland placed second and third with three and two wins respectively, while Ireland and Wales placed fourth and fifth without achieving any victories; the fixture between the two teams resulted in a 21–21 draw.

This edition was also famous for the try Philippe Saint-André scored in the last match of the tournament against England, which was later voted Twickenham's try of the century.