Steven 'Steve' Addington (born July 4, 1964) is an American NASCAR Sprint Cup crew chief who is a free agent and formerly was the competition director for the #15 Chevrolet driven by Clint Bowyer for HScott Motorsports.
Previously, he was the crew chief for Justin Allgaier, Tony Stewart, Kurt Busch, Kyle Busch, and J.J.
Yeley in the Cup Series.
Before that, he was a long-time crew chief in the Busch Series (now Xfinity Series), most recently for Mike Bliss, as well as an extended partnership with Jason Keller.