Dennis John Cometti AM (born 26 March 1949) is an Australian retired sports commentator, player and coach of Australian rules football. In a career spanning 51 years, his smooth voice, dry humour and quick wit became his trademark. Until his retirement, he remained the only television broadcaster to have spanned the entire duration of the AFL national competition, serving the Seven Network, Nine Network and Broadcom. He was appointed a Member of the Order of Australia (AM) in the 2019 Australia Day Honours.