XXXIV Brigade, Royal Field Artillery was a brigade of the Royal Field Artillery which served in the First World War. It was originally formed with 22nd, 50th and 70th Batteries, and attached to 2nd Infantry Division. On 5 August 1914, it was mobilised and was sent to the Continent with the British Expeditionary Force, where it saw service with 2nd Division until 1917. It went to France commanded by Lt Col H G Sandilands, with Capt H G Boone as adjutant, and Arthur Stoyle as RSM. 22nd Battery was commanded by Major H T Wynter; 50th Battery by Major T O Seagram; 70th Battery by Major H C S Clarke; the newly formed Ammunition Column was commanded by Captain D Stewart.