Tengku Djan Ley bin Tengku Mahaleel is the head of Proton Motorsports and is also a Malaysian professional drift driver who has taken part in the D1 Grand Prix racing series and others.
He has won the 12-hour Merdeka Millennium Endurance race twice, in 2005 and 2006.
Tengku Djan Ley is one of the Kelantan royal lineage.