Stienes Longin (born 30 July 1991 in Leuven, Flemish Brabant) is a Belgian professional racing driver.

11 Chevrolet Camaro for PK Carsport in the Elite 1 class and in Belcar Endurance Championship driving the No.

[1] In 2014 Longin made his debut in the NASCAR Whelen Euro Series as a part of the PK Carsport formation.

The Belgian driver made his debut for the Australian MARC Cars formation with teammates Kris Van Kelst, Ryan McLeod, Hadrian Morall, and Mich Benton.

[5] He moved up to the Elite 1 class the following year to replace his father Bert in PK Carsport's No.

[6][7] Longin also won the 24 Hours of Zolder in the same year, scoring the win alongside his father Bert (who scored his sixth victory in the event, tying Anthony Kumpen and Marc Goossens for the most wins), Christoff Corten, and Giorgio Maggi.