Jason Michael Lowney, aged 37, was last seen at his home about 4am on Sunday 10 June 2012.
Mr Lowney left his home on a blue pushbike, carrying a black bag of clothes.
He has not made contact with family or friends since and there are serious concerns for his welfare.
Mr Lowney is described as being of Caucasian appearance, 165cm tall with a medium build, short brown hair, and was unshaven.
He was last seen wearing a pair of blue tracksuit pants and a black wind jacket.
Anyone with information about Jason Lowney’s whereabouts is urged to contact Tweed Heads Police Station on 07 5536 0999 or Crime Stoppers on 1800 333 000.