Alicia, 15, was last seen at around 6pm on Monday, April 26 in the area of South Scott Street.
She is described as being around 5ft 1in tall, of medium build with long brown hair.
She was last seen wearing black trousers, black Converse trainers, a grey jumper and a black jacket with a furry hood.
Sergeant Karl Povey, of Greater Glasgow Police Division, said: “We are appealing for anyone who may have seen Alicia or anyone with any information on her whereabouts to get in touch.”
If you have any information on where Alicia is you should contact police on 101 quoting incident number 3871 of April 26.