Police were told a 14-year-old girl was allegedly sexually touched by an unknown man at the train station earlier about 3pm on Friday, September 6.
As inquiries are ongoing, police have released images of a man they believe may be able to assist with their inquiries.
The man is described as being Asian in appearance, aged about 50 to 60, with black hair, and was wearing a green jacket, grey track pants and white shoes.
Anyone with information is urged to contact Crime Stoppers on 1800 333 000.
Man wanted over alleged sexual touching
POLICE are appealing for public assistance following an alleged sexual touching that occurred at Lidcombe Railway Station last month.