The 2005 Hockenheimring GP2 Series round was a GP2 Series motor race held on 23 and 24 July 2005 at the Hockenheimring in Baden-Württemberg, Germany.

The race weekend supported the 2005 German Grand Prix.

The feature race podium was completed by Rosberg's fellow ART Grand Prix driver Alexandre Prémat, and Nelson Piquet Jr., of Hitech Piquet Sports.

[1] Frenchman Olivier Pla, who was on reverse grid pole for the second consecutive round after again finishing eighth in the feature race, took the win in the sprint race, ahead of Super Nova's Giorgio Pantano and iSport's Scott Speed.

[2] Rosberg scored nineteen points at Hockenheim, while Heikki Kovalainen could only manage five, allowing the German to reduce Kovalainen's Drivers' Championship lead to just six points, with five rounds remaining.