| Royal Sussex Militia Artillery 3rd Brigade, Cinque Ports Division, RA Sussex Artillery (Eastern Division) RA Sussex Royal Garrison Artillery (M) | |
|---|---|
| Active | 9 April 1853–1909 |
| Country |  United Kingdom |
| Branch |  Militia |
| Role | Garrison Artillery |
| Part of | Cinque Ports Division, RA (1882–89) Eastern Division, RA (1889–1902) |
| Garrison/HQ | Lewes (1853–1883) Eastbourne (1883–1909) |
| Commanders | |
| Colonel of the Regiment | Charles Gordon-Lennox, 5th Duke of Richmond, KG (1853–60) Sir James Hayes Sadler, KCMG, FRGS (1882–1909) |
The Royal Sussex Militia Artillery was a part-time reserve unit of Britain's Royal Artillery from the County of Sussex, which served from 1853 to 1909.