2018 in NASCAR
# 2018 in NASCAR

In 2018, NASCAR sanctioned three national series and six regional touring series.

## National series

* 2018 Monster Energy NASCAR Cup Series – The top racing series in NASCAR
* 2018 NASCAR Xfinity Series – The second-highest racing series in NASCAR
* 2018 NASCAR Camping World Truck Series – The third-highest racing series in NASCAR

## Touring series

* 2018 NASCAR K&N Pro Series West – One of the two K&N Pro Series
* 2018 NASCAR K&N Pro Series East – One of the two K&N Pro Series
* 2018 NASCAR Whelen Modified Tour – The modified tour of NASCAR
* 2018 NASCAR Pinty's Series – The top NASCAR racing series in Canada
* 2018 NASCAR PEAK Mexico Series – The top NASCAR racing series in Mexico
* 2018 NASCAR Whelen Euro Series – The top NASCAR racing series in Europe

| Preceded by2017 in NASCAR | NASCAR seasons 2018 | Succeeded by2019 in NASCAR |
| - | - | - |
