Willoughby Merrik Campbell Burrell, 5th Baron Gwydyr FRGS (26 October 1841 – 14 February 1915) was a Captain in the Rifle Brigade and Honorary Colonel in the 4th Battalion, Suffolk Regiment. He was also a Fellow of the Royal Geographical Society. On 3 April 1909, Burrell succeeded to 5th Baron Gwydyr, of Gwydr, County Carnarvon [G.B., 1796]. Burrell was the son of Peter Robert Burrell, 4th Baron Gwydyr and Sophia Campbell. He had only one sibling, Hon. Cicely Burrell (born 1858), a half-sister, from his father's second marriage.