| 27th (Home Counties) AA Brigade 53 (Home Counties) AA Brigade | |
|---|---|
| Active | 1922–1945 1947–1948 |
| Country |  United Kingdom |
| Branch | _Anti-Aircraft_Brigade&sq=Facebook&lang=en&file=File:Flag_of_the_British_Army.svg){kind=small} Territorial Army |
| Type | Anti-Aircraft Brigade |
| Role | Air Defence |
| Part of | 1st AA Division (1935–39) 6th AA Division (1939–40) 5th AA Division (1940–42) 2 AA Group (1944–45) 1 AA Group (1947–48) |
| Engagements | The Blitz Baby Blitz Operation Diver |
27th (Home Counties) Anti-Aircraft Brigade (27 AA Bde) was an Air Defence formation of the British Army in the Second World War that served in The Blitz and later converted to infantry.