Callum Arney, 21, was reported missing yesterday (February 22) from the Dartford area.
Kent Police has confirmed that he has not been heard from since Tuesday (February 18).
Callum is described as 6ft in height and of a stocky build with brown eyes and wearing glasses.
The 21-year-old is believed to be wearing a red and black American-style bomber jacket with white sleeves, along with jeans or jogging bottoms and black trainers.
Callum’s last sightings were at the McDonald’s in Priory Shopping Centre in Lowfield Street on February 18 at around 6:25am.
Kent Police have issued CCTV footage of Callum’s last sightings and are urging anyone who sees him to contact police on 999.