Billy Moeller born in Sydney is a Australian professional feather/super feather/light/light welter/welterweight boxer of the 1970s and "80s who won the Australian super featherweight title, and inaugural Commonwealth super featherweight title, and was a challenger for the New South Wales State lightweight title against Jeff Malcolm, his professional fighting weight varied from 123 1⁄4 lb, id est (that is) featherweight to 142 lb, id est (that is) welterweight.