Jarrod Stephen Mullen (born 9 April 1987) is an Australian former professional rugby league footballer.
A New South Wales State of Origin representative, he played at five-eighth and halfback.
He played his entire career with the Newcastle Knights.
Mullen was provisionally suspended on 17 January 2017 by the NRL after his A-sample tested positive for an anabolic steroid.
On 3 May 2017, he was suspended for 4 years under the League's Anti-Doping Policy.