The 1972–73 New Zealand rugby union tour of the Britain, Ireland, France and North America was a collection of friendly rugby union test match games undertaken by the All Blacks against England, Scotland, Wales, Ireland and France. The tour also took in several matches against British, Irish, French and North American club, county and invitational teams. This was the sixth tour of the Northern Hemisphere. It was also the first time the All Blacks lost to the invitational Barbarians team.
The team only lost to Llanelli, North-Western Counties, Midland Counties (West), Barbarians and drew with Munster. In the tests played the team won against Wales, Scotland and England, drew with Ireland and lost to France. This was their fifth "Grand Slam tour" after 1905–06 (Lost to Wales), 1935–36 (Lost to Wales and England), 1953–54 (Lost to Wales), 1963–64 (Drew with Scotland). They had to wait until 1978 for a "Grand Slam".