Emma, aged 43, was last seen in the Havant area on the evening of Sunday, 9 July.
She is described as: white female, 5ft 4ins and of average build. She has short black hair and was last seen wearing a navy blue long-sleeve jumper, black leggings and blue/black trainers. She has a Scottish accent.
Police are growing increasingly concerned for her welfare.
If you think you have seen Emma since she went missing or think you might know where she is, please call the police immediately on 101 quoting 44230275723.
In an emergency dial 999.