| Palace Barracks | |
|---|---|
| Holywood | |
 Palace Barracks | |
  Palace Barracks Location within Northern Ireland | |
| Coordinates | 54°37′25″N 05°48′50″W / 54.62361°N 5.81389°W |
| Type | Barracks |
| Site information | |
| Owner | Ministry of Defence |
| Operator |  British Army |
| Site history | |
| Built | 1886 |
| In use | 1886 – present |
| Garrison information | |
| Occupants | 1st Battalion, Ranger Regiment Holywood Troop, 321 EOD & Search Squadron RLC |
Palace Barracks, Holywood is a military installation and the Northern Ireland headquarters of MI5, in Holywood, County Down, Northern Ireland.