Police are appealing for information on the whereabouts of 38-year-old Ling Yin Choo.
She was last seen at Lakeside MRT station on October 28 at 4.15pm.
Ms Ling is described as fair, plump and about 1.6m tall.
She was last seen wearing a pair of long black pants, black shirt with flower prints and carrying a haversack.
Anyone with information on the missing Miss Ling is requested to call the Police Hotline at 1800-255-0000.
Information can also be submitted online at https://app.spf.gov.sg/CrimeStopper/CrimeStopper.aspx.
All information will be kept strictly confidential.