1981 Five Nations Championship
The 1981 Five Nations Championship was the fifty-second series of the rugby union Five Nations Championship. Including the previous incarnations as the Home Nations and Five Nations, this was the eighty-seventh series of the northern hemisphere rugby union championship. Ten matches were played between 17 January and 21 March.
were the winners, winning the championship outright for the eighth time. They had also shared the title on four other occasions. In winning all their four matches they also won the Grand Slam for the third time.Participants
The teams involved were:
| Nation | Venue | City | Head coach | Captain |
| Twickenham | London | Mike Davis | Bill Beaumont |
| Parc des Princes | Paris | Jacques Fouroux | Jean-Pierre Rives |
| Lansdowne Road | Dublin | Tom Kiernan | Fergus Slattery |
| Murrayfield | Edinburgh | Jim Telfer | Andy Irvine |
| National Stadium | Cardiff | John Lloyd | Steve Fenwick |
Table
Squads
Results
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