The 2015 Catalunya GP2 Series round was a GP2 Series motor race held on May 9 and 10, 2015 at the Circuit de Catalunya in Spain.

It was the second round of the 2015 GP2 Series.

The race weekend supported the 2015 Spanish Grand Prix.

Stoffel Vandoorne took pole position and victory in the feature race, while Alex Lynn took the chequered flag in the sprint race.