There were 7 teams in the Canberra Australian National Football League in 1972, Acton, Ainslie, ANU, Belconnen, Eastlake, Manuka and Queanbeyan.
Ainslie won 13 and lost 5 games in the home and away matches to finish in third place.
In the First Semi-Final Ainslie defeated Belconnen by 70 points.
- Final score: Ainslie 24.14-158 def Belconnen 13.10-88
- Goal kickers for Ainslie: A Bongetti 13, O Layzell 3, M Smith 2, P Mayne 2, J Davies 2, White 1, Batchelor 1
- Best: M Smith, A Bongetti, P Mayne, B Henricksen
In the Preliminary Final Ainslie defeated Manuka by 1 point to go through to the Grand Final against Eastlake.
- Final score: Ainslie 17.11-113 def Manuka 16.16-112
- Goal kickers for Ainslie: A Bongetti 9, L Laffan 3, O Layzell 1, B Johnston 1, P Mayne 1, R Rendell 1, P Johnson 1
- Best: A Bongetti, P Johnson, R Rendell, B Ryan, B Henricksen, B Kershaw
Ainslie were well beaten by Eastlake in the Grand Final to finish in second place.
- Final score: Ainslie 9.8-62 def by Eastlake 26.19-175
- Goal kickers for Ainslie: A Bongetti 4, M Smith 2, O Layzell 2, J Davies 1
- Best: N Gregory, C Smith, M Smith, P Mayne, B Henricksen
The Ainslie Grand Final Team was:
- Backs: Kevin Hassett, Charles Smith, Laurie Laffan
- Half backs: Bernie Ryan, Barry Henricksen, Geoff McCormick
- Centres: Barry Kershaw, Ralph Rendell, Brian Read
- Half forwards: Wayne Batchelor, Peter Johnson, Owen Layzell
- Forwards: Bruce Johnston, Alan Bongetti, Martin Smith
- Rucks: Nigel Gregory, John Davies, Patrick Mayne
- 19th: Anthony White, 20th: Mick Walsh, Emergency: Paul Shallow
The Ainslie players who represented the ACT in games against Queensland and Essendon were Brian Read, Alan Bongetti, Charles Smith, Peter Johnson and Ralph Rendell.
Alan Bongetti kicked 105 goals in the season.
Three players reached 100 games during the season, Kevin Hassett, Brian Read and Ralph Rendell.
- Captain/Coach: John Davies
- Ass.Coach: Peter Johnson
- Manager: John Bravo