Matthew Robert Mills (born November 14, 1996)[1] is an American professional stock car racing driver.

Mills started racing Open Wheel Modifieds at Midvale Speedway in 2012, winning Rookie of the Year and moving up to Outlaw Super Late Models in 2013.

[6] In 2017, he joined Faith Motorsports for three races because the team's primary driver Donnie Levister was unapproved by NASCAR to run intermediate tracks.

He ran seventeenth in two of them, career-best finishes,[7] before he joined Martins Motorsports to run in multiple races in the truck No.

[11] At 2024 Baptist Health 200, he was injured after Conner Jones intentionally sent him to the turn 3 wall.

8 entry at Phoenix[15][16] in what looked to be a one-race deal, replacing regular driver Jeff Green who had been signed to run the full season.

[19] In the season's final weekend, he failed to qualify with startup team NextGen Motorsports.

The agreement wound up falling through, as Mills was replaced by Joe Nemechek for the Fitzgerald Glider Kits 300 at Bristol Motor Speedway.

He made a start for DGR-Crosley in the NASCAR Camping World Truck Series at Michigan in August, but wrecked, self-admittedly due to inexperience.

[24] Mills returned to B. J. McLeod Motorsports for some fall Xfinity races, eventually becoming the team's full-time driver of the No.

[26] On April 26, 2021, B. J. McLeod Motorsports announced that they would be fielding a Cup Series car in the spring race at Kansas, the No.