Alistair Presnell (born 26 March 1979) is an Australian professional golfer.

Having won three amateur titles during 2003, he turned professional at the start of 2004 and joined both the PGA Tour of Australasia and Asian Tour Presnell finished tied for 5th at the 2004 Australian Open during his rookie season to secure his place on the Australasian Tour, and only just retained his Asian Tour card with 60th place on the end of season money list, the last place to guarantee playing rights for the following season.

[2] By virtue of his second-place finish on the 2009 PGA Tour of Australasia's Order of Merit, he gained an exemption into the 2010 WGC-CA Championship.

In 2010, Presnell won the Victorian PGA Championship, thanks to a final round score of 60.

In doing so, he equalled the lowest score in Australasian PGA Tour history.