Police are appealing for help to find Jasmine Lumsden, 16, who has not been seen since Friday at her Wendouree home.
Police are concerned for her welfare because of her age.
Jasmine was last seen wearing a grey jacket and denim-look leggings. She does not have her phone with her.
Anyone who sees Jasmine or has information on her whereabouts should contact Ballarat Police Station on 5336 6000.