79th ABA National Championships
Date April 29, 1966
Location Empire Pool and Sports Arena, Wembley
Year 1966
| Weight Category | Champion | Finalist |
| Under 51 kg | P Maguire(Vauxhall Motors ABC) | John McGonigle (Army) |
| Under 54 kg | Johnny Clark (Robert Browning ABC) | Anthony Williams (Dowlais BC) |
| Under 57 kg | H Baxter (Kelvin BC) | Ken Cooper (Kyrle Hall ABC) |
| Under 60 kg | J Head (Hampstead ABC) | W Thomas (Royal Air Force) |
| Under 64 kg | William Hiatt (Battersea ABC) | M McKenzie (Bucchleuch BC) |
| Under 67 kg | P Cragg (Electrolux ABC) | P Lloyd (Army) |
| Under 71 kg | Thomas Imrie (Bucchleuch BC) | Mark Rowe (Fitzroy Lodge ABC) |
| Under 75 kg | Chris Finnegan (Hayes ABC) | John Turpin (Rothwell Colliery ABC) |
| Under 81 kg | Roger Tighe (Hull Boys ABC) | W Bruce (Army ABC) |
| Under 91 kg | Anthony Brogan (Barnstaple ABC) | D Brown (Downham Community ABC) |
