Nick Cullen (born 10 April 1984) is an Australian professional golfer who plays on the PGA Tour of Australasia.

He earned his first professional win at the Enjoy Jakarta Indonesia Open on the OneAsia Tour in March 2012.

[2] In August 2013, Cullen won his first title on the PGA Tour of Australasia at the Isuzu Queensland Open.

The following year, he won one of the PGA Tour of Australia's big three tournaments, in the BetEasy Masters.

[3] In 2015, Cullen lost in a playoff to Richard Green at the Oates Vic Open.