David McKenzie (born 26 July 1967) is an Australian professional golfer.

After twice finishing second, at the 1994 Air New Zealand Shell Open and a playoff loss at the 2004 MasterCard Masters, he won his first Tour event at the 2013 Turner Plumbing Victorian PGA Championship.

McKenzie also played on the U.S.-based Nationwide Tour (2001, 2003–05, 2007–10), winning once, at the 2005 Gila River Golf Classic.

He played one season on the PGA Tour (2006), where his best finish was 7th at the Valero Texas Open.

PGA Tour of Australasia playoff record (0–2) CUT = missed the halfway cut "T" indicates a tie for a place NT = No tournament due to COVID-19 pandemic