86th ABA National Championships
Location Wembley Arena, London
Year 1973
| Weight Category | Champion | Finalist |
| Under 48 kg | Mickey Abrahms (Battersea ABC) | L Skevington (Keystone Boys ABC) |
| Under 51 kg | Roy Hilton (Repton ABC) | Billy Weaver (Speke ABC) |
| Under 54 kg | Pat Cowdell (Warley ABC) | Norman Phillip (Army) |
| Under 57 kg | John Lynch (Kensington ABC) | Colin Flinn (Tile Hill ABC) |
| Under 60 kg | Tommy Dunn (Reading ABC) | P Vowles (Bourneville ABC) |
| Under 64 kg | Neville Cole (Fitzroy Lodge ABC) | W. Finnegan (Birmingham City ABC) |
| Under 67 kg | Terry Waller (Lynn ABC) | Harry Watson (Huthwaite ABC) |
| Under 71 kg | Roger Maxwell (Army) | Robert Davies (Birkenhead ABC) |
| Under 75 kg | Francis Lucas (Sir Philip Game ABC) | Carl Speare (Golden Gloves ABC) |
| Under 81 kg | William Knight (Lynn ABC) | Steve Hill (Blackpool ABC) |
| Under 91 kg | Garfield McEwan (Kyrle Hall ABC) | Neville Meade (Royal Air Force) |
