Harley Stott, a 31-year-old resident of Banks, has been reported missing.
He was last seen leaving his home in Tuggeranong about 1am on Monday, October 28.
Police said he had not been seen or heard from since then, and may be driving a dark Nissan Navara 4WD ute with ACT number plates YPM35Y.
He is described as Caucasian in appearance, about 176cm (5.10 feet) tall, with blue eyes, short brown hair and a solid build.
"Harley also has tattoos on his forearms." an ACT Policing spokesperson said.
"Police and Harley's family hold serious concerns for his welfare, and are requesting the public's assistance to locate him."
Anyone who had seen Mr Stott, or might have any information of his whereabouts was urged to contact ACT Policing on 131 444. They were asked to quote reference P2295376. Police said information could be provided anonymously.
