Concern is growing for Steven Ingram aged 21 years.
He was last seen at around 3.15 pm on October 7, having left his home in Barrhead.
Steven is described as 6ft 1, slim, short brown/grey hair, wearing jeans, black hooded jacket and trainers.
Information suggests that it is possible that he is in the Darnley area of Glasgow.
Anyone with any information is urged to contact Police Scotland via 101.