Police are appealing for information on the whereabouts of Ms Lee Choon Boey.
The 44-year-old woman was last seen at the Bukit Batok Home for the Aged on April 18 at about 11pm. She was wearing a grey t-shirt and brown trousers.
Ms Lee is described as about 158cm tall, of plump build and fair complexion.
Anyone with information should call the Police Hotline at 1800-255-0000. Information can also be submitted at www.spf.gov.sg/CrimeStopper. All information will be kept confidential.