Wilson Roy Wheeler MBE FRAOU (1905–1988), commonly referred to as W. Roy Wheeler, was an Australian postman and professional ornithologist.
He was an active bird bander and was convener of the Altona Survey Group, later part of the Victorian Ornithological Research Group.
In 1965 he was awarded the Australian Natural History Medallion.
In 2005 he was commemorated, on the occasion of BOCA's centenary, by the creation of a new award, the W. Roy Wheeler Medallion for Excellence in Field Ornithology.
In 1979, he set the record for an Australian big year, with 545 species seen, breaking the record previously held by John McKean (535 species).