Police are appealing for public assistance to locate a woman missing from Kiama.

Rebecca Odell, aged 39, was last seen in Kiama about 4pm on Monday (25 August).

When she could not be contacted or located, officers attached to Lake Illawarra Police District were notified and started inquiries into her whereabouts.

There are concerns for her welfare.

Rebecca is described as being of Caucasian appearance, about 165cm tall, of thin build with no hair and brown eyes.

She was last seen wearing a black singlet and purple head scarf.

Rebecca is known to frequent the Dapto, Shellharbour, Kiama and Gerringong areas.

She may be driving a white Kia Sorento with NSW registration plates DO 06 TK.

Anyone who has information about her whereabouts is urged to call Crime Stoppers on 1800 333 000.