Ryan Shane Sieg (born June 20, 1987)[1] is an American professional stock car racing driver and team owner.

Sieg made his NASCAR debut in 2009, competing in the Camping World Truck Series Kroger 250 at Martinsville Speedway.

For 2012, Sieg led six laps at the Charlotte Motor Speedway race after staying out on a pit stop during a caution.

After Fontana, it was announced that Sieg would focus his efforts on the Nationwide Series for the remainder of the season, running for Rookie of the Year.

[8] Sieg then earned fame himself at the July race at Daytona when he drafted Kasey Kahne past teammate Regan Smith to his first Nationwide victory since 2007.

In 2015, Sieg returned to the Xfinity Series with a new sponsor Uncle Bob's Self Storage at the season opener at Daytona.

[13] After a sixth-place run at Talladega Superspeedway in the spring, Sieg qualified for the Xfinity Series Dash 4 Cash at Dover International Speedway after Spencer Gallagher's eligibility was stripped.

[15] On December 27, 2018, Sieg announced another full Xfinity season with RSS Racing, intending to make the playoffs for the first time since 2016.

[16] After scoring his second top-five of the year at the spring Richmond Raceway event, Sieg sat ninth in the point standings.

He credited new crew chief Shane Wilson and new cars from Richard Childress Racing as catalysts for the uptick in performance.

[17] In September 2019, Sieg finished 14th in the Rhino Pro Truck Outfitters 300 at Las Vegas but was disqualified after his car failed post-race inspection for not meeting the minimum ride height.

[19] During the spring 2022 Las Vegas race, Sieg lost control of his car and hit the outside wall after light contact from Ty Gibbs.

[20] Following a 10th place finish and accidents to Creed and Landon Cassill at the fall 2022 Bristol race, Sieg was able to advance to the Xfinity Series Playoffs.

He struggled throughout much of the regular season, only scoring two more top ten finishes at Richmond and the summer Daytona race.

83 Toyota Camry in the Monster Energy NASCAR Cup Series at Dover International Speedway for the AAA 400 Drive for Autism, his MENCS debut.