Police are appealing for public assistance to help locate Siang Par
The 15-year-old was last seen in Marion Street in Altona yesterday.
Police and family have concerns for her welfare due to her age.
Siang was last seen wearing a black hooded top and blue jeans and may be headed to the CBD.
Police have released an image of Siang in the hope someone recognises her.
Anyone who sights Siang or who knows of her whereabouts is urged to contact Altona North Police Station on 9392 3111.