75 Anti-Tank Regiment RA was formed from cadres from 20 & 59 Anti-Tank Regiments, in November 1940. Three batteries were formed with a fourth added in June 1943. 75 Anti-Tank Regiment RA was disbanded in January 1946.
Illustrations of the formation badges under which a unit served or supported are given. This is no guarantee that the unit used this formations badge.
| Nov 40 | Formed | ||
| Nov 40 | Home Forces | UK | |
| Mar 41 |  |
11 Support Group | UK |
| Jun 42 | |
11 Armoured Division | UK |
| Jun 44 | |
11 Armoured Division | Normandy |
| Jun 45 |  |
Guards Armoured Division | NW Europe |
Batteries
| Nov 40 | A, B, C |
| Mar 42 | Q, R, S |
| Jan 43 | 117, 118, 119 |
| Jun 43 | 117, 118, 119, 338 |
Equipment
| Jun 44 | 2 x Batteries M10 Self Propelled 17 pdr, 1 x Battery 17 pdr towed |