20th ABA National Championships
Location St James' Hall, London
Year 1900
| Weight Category | Champion | Finalist |
| Under 54 kg | J Freeman (Lynn ABC) | Ernest Moody (Gothic ABC) |
| Under 57 kg | R Lee (Stanhope ABC) | H Williams (Columbia ABC) |
| Under 60 kg | G W Humphries (Lynn & Battersea ABC) | Harold Brewer (Polytechnic ABC) |
| Under 75 kg | Edward Mann (Lynn ABC) | T W Smith (Barnsbury ABC) |
| Under 91 kg | William Dees (Goldsmiths Institute) | W Jeyes (Northampton and County ABC) |
