Police are appealing for public assistance to help locate missing Williamstown teen Portia Tobin.
The 14-year-old was last seen on Chave Court in Laverton on 28 March.
Police and family have concerns for her welfare due to her age.
Portia was last seen wearing a grey hoodie, black tracksuit pants and white runners.
Investigators have released an image of Portia in the hope someone recognises her and can provide information on her whereabouts.
Portia is known to frequent Laverton Railway Station precinct.
Anyone who sees Portia or has information on her whereabouts is urged to contact Altona North Police Station on 9392 3111.