The First Battlecruiser Squadron was a Royal Navy squadron of battlecruisers that saw service as part of the Grand Fleet during the First World War. It was created in 1909 as the First Cruiser Squadron and was renamed in 1913 to First Battle Cruiser Squadron. It participated in the battles of Heligoland Bight, Dogger Bank and the Battle of Jutland. After the end of the war it became the sole Battlecruiser Squadron.