| Jack Smith | |
| Birth Date: | 18 March 1973 |
| Birth Place: | Medina, Ohio |
| Total Truck Races: | 17 |
| Years In Truck: | 4 |
| Prev Truck Pos: | 36th |
| Prev Truck Year: | 2011 |
| Best Truck Pos: | 36th (2011) |
| First Truck Race: | 2007 City of Mansfield 250 (Mansfield) |
| Last Truck Race: | 2011 WinStar World Casino 350K (Texas) |
| Truck Wins: | 0 |
| Truck Top Tens: | 0 |
| Truck Poles: | 0 |
Jack Smith (born March 18, 1973) is a former American professional stock car racing driver. He last competed part-time in the NASCAR Camping World Truck Series, driving the No. 63 for MB Motorsports.[1] Smith has been under an indefinite suspension from NASCAR since November 2011, for violation of the sport's Substance Abuse Policy. Smith was previously suspended in 2010 after attempting to purchase a controlled substance.https://www.espn.com/racing/nascar/truck/story/_/id/7270904/nascar-suspends-truck-series-driver-jack-c-smith-failed-drug-test