2015 NASCAR K&N Pro Series West
The 2015 NASCAR K&N Pro Series West was the sixty-second season of the K&N Pro Series West. Beginning with the NAPA Auto Parts 150 at Kern County Raceway Park on March 28, the season ended on November 12 with the Casino Arizona 200 at Phoenix International Raceway. Two-time champion Greg Pursley did not defend his series title, as he retired at the end of the 2014 season. Chris Eggleston won the championship, seven points ahead of Noah Gragson.
Drivers
;Notes:Schedule
All of the races in the 2015 season will be televised on NBCSN and will be on a tape delay basis.| No. | Race Title | Track | Date |
| 1 | NAPA Auto Parts 150 | Kern County Raceway Park, Bakersfield | March 28 |
| 2 | King Taco Catering/NAPA Auto Parts 150 | Irwindale Speedway, Irwindale | April 11 |
| 3 | NAPA Auto Parts Wildcat 150 | Tucson Speedway, Tucson | May 2 |
| 4 | Casey's General Stores 150 | Iowa Speedway, Newton | May 16 |
| 5 | Bill Schmitt Memorial 150 | Shasta Speedway, Anderson | May 30 |
| 6 | Carneros 200 | Sonoma Raceway, Sonoma | June 27 |
| 7 | NAPA Auto Parts Toyota 150 | Stateline Speedway, Post Falls | July 11 |
| 8 | #ThanksKenny 150 | Iowa Speedway, Newton | July 31 |
| 9 | NAPA Auto Parts 150 presented by Toyota | Evergreen Speedway, Monroe | August 15 |
| 10 | NAPA/Toyota 150 | Colorado National Speedway, Dacono | August 22 |
| 11 | NAPA Auto Parts Idaho 208 | Meridian Speedway, Meridian | September 5 |
| 12 | NAPA Auto Parts/Toyota 150 presented by Axle Crutch | All American Speedway, Roseville | October 17 |
| 13 | Casino Arizona 100 | Phoenix International Raceway, Avondale | November 12 |
;Notes:
Results and standings
Races
Drivers' championship
Bold - Pole position awarded by time. Italics - Pole position set by final practice results or rainout. * – Most laps led.;Notes:
- 1 – Scored points towards the K&N Pro Series East.
- 2 – Jesse Iwuji received championship points, despite the fact that he did not start the race.
- 3 – Dylan Caldwell, Jesse Iwuji, Robb Kneeland and Dan O'Donnell received championship points, despite the fact that they withdrew prior to the race.
- 4 – Johnny Borneman III, Christian Celaya, Bobby Hillis, Bill Kann, Christian McGhee and Colton Nelson received championship points, despite the fact that they did not qualify for the race.