Police are appealing for public assistance to help locate a teenage girl missing from Sydney's north west.
Olivia Marinis, aged 15, was last seen in Rydalmere about 6.45pm yesterday (Friday 1 August 2025).
When she could not be located or contacted, officers from Ryde Police Area Command were notified and commenced inquiries into her whereabouts.
Concerns are held for Olivia's welfare due to her age.
Olivia is described as being of Caucasian appearance, about 165cm tall, thin build, fair complexion, with long brown hair.
She was last seen wearing a black hooded jumper and black tracksuit pants. She was carrying a black backpack at the time.
Anyone who sites Olivia is urged to contact Ryde Police or Crime Stoppers on 1800 333 000.
Anyone with information about this incident is urged to contact Crime Stoppers: 1800 333 000 or https://nsw.crimestoppers.com.au Information is managed on a confidential basis. The public is reminded not to report information via NSW Police social media pages.
