2003 National Junior Championships
Date May 24, 2003
Location Spa Royal Hall, Bridlington
Year 2003
| Weight Category | Champion | Finalist |
| Class A 48kg kg | James McDonnell (Wombwell & Dearne ABC) | Andy Silk (Northside ABC) |
| 51kg kg | Ryan Walsh (Kingfisher ABC) | John Mason (Hinckley Olympic ABC) |
| 54kg kg | Robert Ward (Repton ABC) | Liam Walsh (Kingfisher ABC) |
| 57kg kg | Bradley Saunders (South Durham ABC) | Marcus Poston (Harwich ABC) |
| 60kg kg | Amir Khan (Bury ABC) | Nick Smedley (Steel City ABC) |
| 64kg kg | Ezeki Brook (Unity ABC) | Craig Bunn (Northside ABC) |
| 69kg kg | Trevor Crewe (Plains Farm ABC) | Ryan Pikard (Repton ABC) |
| 75kg kg | Tony Hill (Golden Ring ABC) | Simon O'Donnell (Dale Youth ABC) |
| 81kg kg | John Dickinson (Birtley ABC) | James Degale (Dale Youth ABC) |
| Class B 48kg kg | Paul Jamieson (Transport ABC) | Michael Gallett (Pleck ABC) |
| 51kg kg | Jake Chidley (Herne Bay ABC) | Stuart Leonard (Darlington ABC) |
| 54kg kg | Steven Smith (Rotunda ABC) | Aaron Brennan (Triumph ABC) |
| 57kg kg | Michael Graydon (Broadplain ABC) | Dean Smith (Dagenham ABC) |
| 60kg kg | John O'Donnell (Dale Youth ABC) | Liam Shinkwin (Bushey ABC) |
| 64kg kg | Joe Selkirk (Rotunda ABC) | John Fewkes (Sheffield BC) |
| 69kg kg | Brian Rose (Blackpool and Fylde ABC) | Callum Johnson (Terry Allen ABC) |
| 75kg kg | Michael Boylan (Radford Boys ABC) | Ben Tansley (Ferry Street ABC) |
| 81kg kg | Danny Price (Westway ABC) | David Sadler (Barking ABC) |
| 91kg kg | Tom Dallas (St Mary's ABC) | Warren Baister (Marley Potts ABC) |
| +91kg kg | Barry Smith (Ferry Street ABC) | John Lewis (Middleborough ABC) |
