It comes as part of an investigation into the assault at the railway station at 4.30pm on October 19 last year.
According to the British Transport Police, the victim had been waiting to talk to a member of staff when she was punched in the face.
The woman pictured is believed to be in possession of information that could help the investigation.
Anyone who recognises the woman pictured is asked to contact BTP by texting 61016 or by calling 0800 40 50 40, quoting reference 402 of 19 October.
Alternatively, you can contact Crimestoppers anonymously on 0800 555 111.
