Police are appealing for public assistance to help locate Amanwila Lokodu.
The 19-year-old was last seen at a pizza restaurant on Main Road East, St Albans about 3pm today.
Police and family members hold concerns for her welfare as her disappearance is out of character, and have released an image in the hope someone can provide information on her whereabouts.
Amanwila is African in appearance and described as 165cm tall with braided hair.
She was last seen wearing a black long-sleeved shirt and white ripped jeans, and was carrying a handbag.
Anyone who sees Amanwila or has information on her whereabouts is urged to contact Keilor Downs Police Station on 9365 3333.