June Dunstan was last seen at a residence on Narangba Road in Kallangur and last spoke to family on April 18 by phone. She hasn't been seen or made contact with anyone since.

Police are concerned for her welfare as she suffers a medical condition and her behavior is out of character.

June Dunstan is described as Caucasian in appearance, around 165cms tall with short brown hair, brown eyes and a solid build.

Anyone with information should contact Crime Stoppers on 1800 333 000.