1979–80 John Player Cup

The 1979–80 John Player Cup was the ninth edition of England's premier rugby union club competition at the time. Leicester won the competition for the second consecutive year defeating London Irish in the final. The attendance of 27,000 was a record. The event was sponsored by John Player cigarettes and the final was held at Twickenham Stadium.

First round
Progressed as away team*

Semi-finals
Progressed as away team*