Natalia Zgodka, 16, was last seen in Gravesend at around 1am on January 18.
She is described as being around five feet, two inches tall, slim build and has long black hair which she usually wears up in a bun.
Kent Police say she has a rose tattooed near her wrist on her left arm.
We are appealing for information into the whereabouts of a missing teenager from #Gravesend. If you know where she is, please get in touch as soon as possible. https://t.co/sYpAaL6vZQpic.twitter.com/OifHu7dImU— Kent Police (UK) (@kent_police) January 23, 2021
It is believed that Natalia has links to the London area.