| Unit Name: | 3rd Light Cruiser Squadron |
| Dates: | 1915–1922 |
| Country: | United Kingdom |
| Allegiance: | British Empire |
| Branch: | Royal Navy |
| Battles: | Battle of Jutland |
The 3rd Light Cruiser Squadron was a naval formation of light cruisers of the Royal Navy from 1915 to 1922.
Formed in 1915, it was part of the Grand Fleet, the squadron fought at the Battle of Jutland. The squadron was attached to Battle Cruiser Fleet from February 1915 until November 1916 when that formation was renamed Battle Cruiser Force, it remained attached to BC Force until February 1919.[1]
In April 1919 the squadron was detached to the Mediterranean Fleet. In December 1922 the squadron was re-designated the 3rd Cruiser Squadron.[2]
Post holders included:
| Rank | Flag | Name | Term | |
|---|---|---|---|---|
| Rear-Admiral/Vice-Admiral Commanding, 3rd Light Cruiser Squadron [3] | ||||
| 1 | Rear-Admiral | 8 February 1915 – 30 July 1917 | ||
| 2 | Rear-Admiral | 1 January 1918 – 1 February 1919 | ||
| 3 | Rear-Admiral | Sir Edwyn Alexander-Sinclair | 1 February 1919 – 5 August 1919 | |
| 4 | Vice-Admiral | Sir George P.W. Hope | 15 August 1919 – 19 January 1921 | |
| 5 | Rear-Admiral | Sir Reginald Tyrwhitt | 19 January 1921 – 11 December 1922 | |
Distribution of the squadron included:[4] [5]
| Assigned to | Date | Notes | |
| 1 | Grand Fleet | 08/1914-10/1915 | |
| 2 | Battle Cruiser Fleet | 11/1915-11/1916 | as part of the Grand Fleet |
| 3 | Battle Cruiser Force | 11/1916-10/1918 | as part of the Grand Fleet |
| 4 | Home Fleet | 10-1918-03/1919 | |
| 5 | Mediterranean Fleet | 04/1919-12/1922 | |
| 6 | 12/1922 | redesignated 3rd Cruiser Squadron | |