William Buckler (13 September 1814, Newport – 9 January 1884, Lumley near Emsworth) was an English painter and entomologist who specialized in Lepidoptera.
He is the author of The Larvae of the British Butterflies and Moths edited by Henry Tibbats Stainton and George Taylor Porritt which was published by the Ray Society. The 164 plates of hand-coloured illustrations took thirty years to complete.
His collection is in the Natural History Museum.[1]