II Brigade, Royal Field Artillery was a brigade of the Royal Field Artillery which served in the First World War.
It was originally formed with 21st, 42nd and 53rd Batteries, and attached to 6th Infantry Division. In August 1914 it mobilised and in September was sent to the Continent with the British Expeditionary Force, where it saw service with 6th Division throughout the war. 87th (Howitzer) Battery joined the brigade in May 1916 from 12th (Howitzer) Brigade Royal Field Artillery.