Police Scotland have appealed for the public’s help to find Caitlin Lochrie, from the Green Road area of Paisley.
The 26-year-old was last in contact with her family on the afternoon of Sunday, September 12.
She is 5’6” tall, with a slim build, brown hair, and blue eyes.
Officers said they do not know what Caitlyn, who is known to frequent Paisley and Dalry, might be wearing.
A force spokesperson said: “Police and close family members are becoming increasingly concerned for Caitlin’s wellbeing.
“Anyone who has seen Caitlin or knows of her potential whereabouts is urged to contact Police Scotland on 101, quoting incident number 1301 of September 16.”