Is Ilikena Lasarusa Talebula ... maineiiliken...amain...avalen...iveivak...abulaimaina...kulalakebalau (the Fijian "Botham"), the cricketer with the longestname?
Well, exactly 58 letters, if the name happens to be Llanfairpwllgwyngyllgogerychwyrndrobwllllantysiliogogogoch, the longest place name in the United Kingdom and one of the longest village names in the world.