Joshua Eyvbowho, aged 23, is believed to hold vital information about a break-in at Balby on July 3 in which an Audi and a Volkswagen were stolen.
The Audi was recovered but the VW is still outstanding.
Eyvbowho is slim, around 5ft 9ins - 5ft 10ins tall and is known to frequent the Cantley and Thorne areas of Doncaster.
Anyone with information on his whereabouts should call South Yorkshire Police on 101 and quote investigation number 14/101386/19.