Noble Park man David Gordon went missing on Monday 22 January.
Police are appealing for help to find the 34-year-old, who was last seen leaving his Noble Street residence about 3am.
David has a medium build and short dark brown hair. He is known to frequent the Rosebud and Tyabb areas.
Police released images of David in the hope someone recognises him and can provide information on his whereabouts.
Call Springvale Police Station on 8558 8600 with any information.