39
Navaeh, 14, from Pontypridd, was last seen at 11.15pm on Saturday, May 30 near Ynysangharad Road. She has connections to areas including Cardiff, Barry, Cynon, Taff, Merthyr, Maesteg and Bridgend.
South Wales Police said she is also known to travel to Swansea, Bristol, Reading and London.
At the time she went missing, Navaeh was wearing black gym leggings, a tight black top, Converse shoes and was carrying a mobile phone.
Anyone who has seen her or has any information to help find her should contact South Wales Police online, on 101 or by phoning Crimestoppers anonymously on 0800 555111.
Anyone making contact with police should quote reference number 2600169716.
