A 25-year-old man, Ryan Prior, has not been seen or heard from since early October.
ACT police have issued a public appeal to help find the inner north resident.
The man was last seen at Ainslie Village and was reported missing on Monday, October 14.
He is described as being of Caucasian in appearance, about 170 centimetres (5'7") tall, with a slim build, and black hair.
"Police and Ryan's family hold concerns for his welfare and are requesting the public's assistance in locating him," a police spokesperson said.
Anyone who had seen Ryan or might have information of his whereabouts was urged to contact ACT Policing on 131 444. People are requested to quote reference number 7875094.
