DYFED-Powys Police is looking for 15-year-old Emily Miller, who is missing from the Fishguard area of Pembrokeshire.
She is approximately 5 ft tall, with shoulder length brown hair and was last seen wearing a khaki jacket, blue jeans and white trainers.
Emily left her home address at 9.30am today (April 13) and has not returned this evening. She was last seen in the Pembroke Dock area around 11am. She also has links to the Haverfordwest area.
Anyone who has seen Emily, or knows of her whereabouts, is asked to report information by calling 101. If you are deaf, hard of hearing or speech impaired text the non-emergency number on 07811 311 908, quoting Ref: 350 of April 13.