Arnold Patrick Spencer-Smith FRHistS (17 March 1883 – 9 March 1916) was an English clergyman and amateur photographer who joined Sir Ernest Shackleton's 1914–1917 Imperial Trans-Antarctic Expedition as chaplain on the Ross Sea party, who were tasked with laying a chain of depots across the Ross Ice Shelf towards the Beardmore Glacier for Shackleton's intended crossing party.