Alfred Walker Holinshead Needler CM OBE FRSC (1906 – 4 September 1998) was a Canadian scientist, administrator, diplomat and statesman. Alfred Needler was instrumental in establishing research for estimating large migratory marine fish populations from small samples, as well as making contributions toward Canada's participation in the International Commission for the Northwest Atlantic Fisheries (ICNAF) and later chairing the new international convention that established the Northwest Atlantic Fisheries Organization (NAFO).