Police have renewed their appeal for information about a woman who has been reported missing from Goulburn since last month.

Lin Dinnien, aged 56, was last seen by staff at a medical facility on Clifford Street, about 4pm on Wednesday 13 April 2016.

Ms Dinnien is described as being of Asian appearance, about 150-155cm tall, of medium build, with shoulder length black hair and brown eyes.

When last seen, Ms Dinnien was wearing a grey cardigan, black tights and sandals.

Ms Dinnien has no fixed place of abode and is known to frequently travel on trains throughout Sydney, Newcastle and Brisbane Water areas.

Police continue to make inquiries into her whereabouts and are appealing for anyone with information to come forward.