103 Light Anti-Aircraft Regiment RA was converted in December 1941 from 7th Battalion The East Lancashire Regiment. The Regiment was disbanded in March 1944.
| Dec 41 | Formed from 7th Battalion East Lancashire Regiment | |
| Dec 41 | Home Forces | UK |
| Feb 42 | 55 Infantry Division | UK |
| Nov 42 | Home Forces | UK |
| Feb 43 | 61 Infantry Division | UK |
| Mar 44 | Disbanded |
Batteries
| Dec 41 | 339, 340, 341 |
