2010 in NASCAR
There were three NASCAR national series in 2010:
National series
- 2010 NASCAR Sprint Cup Series – The top racing series in NASCAR
- 2010 NASCAR Nationwide Series – The second-highest racing series in NASCAR
- 2010 NASCAR Camping World Truck Series – The third-highest racing series in NASCAR
Regional series
- 2010 NASCAR Canadian Tire Series – Canadian regional series
- 2010 NASCAR Corona Series – Premiere NASCAR Mexico series
- 2010 NASCAR Mini Stock Series –Secondary NASCAR Mexico series