| Race details | |
|---|---|
| 3rd round of the 2015 IndyCar Series season | |
 | |
| Date | April 26, 2015 |
| Official name | Indy Grand Prix of Alabama |
| Location | Barber Motorsports Park Birmingham, Alabama |
| Course | Road Course 2.38 mi / 3.83 km |
| Distance | 90 laps 214.2 mi / 344.7 km |
| Pole position | |
| Driver | Hélio Castroneves (Team Penske) |
| Time | 1:07.1925 |
| Fastest lap | |
| Driver | Ryan Hunter-Reay (Andretti Autosport) |
| Time | 69.7188 (on lap 16 of 90) |
| Podium | |
| First | Josef Newgarden (CFH Racing) |
| Second | Graham Rahal (Rahal Letterman Lanigan Racing) |
| Third | Scott Dixon (Chip Ganassi Racing) |
The 2015 Indy Grand Prix of Alabama was the fourth race of the 2015 IndyCar Series season. The race was run on Sunday April 26, 2015 in Birmingham, Alabama, United States at Barber Motorsports Park, the sixth time the Indy Grand Prix of Alabama was run. It was won by Josef Newgarden for the CFH Racing team. Graham Rahal took second for Rahal Letterman Lanigan Racing and Scott Dixon who races for Chip Ganassi Racing came in third. The top finishing rookie in the race, as he was in all three previous rounds in this years series, Gabby Chaves who finished 16th in the race as he did in the previous round.