Police are appealing for information on the whereabouts of Carly Smith, of Dewsbury.
Carly, who is 33, was last seen in Beckett Street, Leeds, at about 7.21pm on Wednesday, December 31.
Police are concerned for her welfare as she is not believed to have been in contact with anyone since then.
Carly is described as white, about 5ft 1ins tall and of medium build.
She has dark collar length hair and was last seen wearing a white and grey speckled puffy coat, khaki leggings and dark shoes.
Anyone with information is asked to contact Kirklees CID on 101.
