Police are appealing for public assistance to help locate missing boy Tom Cooper, Victoria Police say.
The 17-year-old was last seen at his home in Wallan on Friday, 14 July.
Police have concerns for his welfare given his young age.
Tom is described as being 165cm tall with a thin build, black wavy shoulder-length hair, brown eyes and a fair complexion.
It is not known what Tom was last wearing.
Police have released an image of Tom in the hope someone can provide information on his current whereabouts.
He is known to frequent the Broadmeadows area, including the shopping centre on Pascoe Vale Road.
Anyone with information about is urged to contact Wallan Police Station on 5783 0400.