2019 in NASCAR
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For 2019, NASCAR sanctioned three national series and six regional touring series:
National series
- 2019 Monster Energy NASCAR Cup Series – The top racing series in NASCAR.
- 2019 NASCAR Xfinity Series – The second-highest racing series in NASCAR.
- 2019 NASCAR Gander Outdoors Truck Series – The third-highest racing series in NASCAR.
Touring series
- 2019 NASCAR K&N Pro Series West – One of the two K&N Pro Series
- 2019 NASCAR K&N Pro Series East – One of the two K&N Pro Series
- 2019 NASCAR Whelen Modified Tour – The modified tour of NASCAR
- 2019 NASCAR Pinty's Series – The top NASCAR racing series in Canada
- 2019 NASCAR PEAK Mexico Series – The top NASCAR racing series in Mexico
- 2019 NASCAR Whelen Euro Series – The top NASCAR racing series in Europe
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{{succession box |
before = 2018 in NASCAR |
after = 2020 in NASCAR |
title = NASCAR seasons |
years = 2019 |
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