Waddell Wilson (born December 29, 1936) is an American former NASCAR Winston Cup Series crew chief and engine builder.

[2] Drivers included Bobby Allison, Mario Andretti, Buddy Baker, Geoff Bodine, A. J. Foyt, Junior Johnson, Fred Lorenzen, Cale Yarborough and Ricky Rudd.

[2] He started driving jalopies, street stocks, and modifieds at the Hialeah, Palmetto and Hollywood short tracks in Florida.

[2] Engines built by Wilson had 109 wins, earned 123 pole positions, and won three championships (David Pearson in 1968–69, Benny Parsons in 1973).

[4] Wilson prepared an engine for Hendrick Motorsports that Darrell Waltrip used in a practice session to set an unofficial track record at Daytona that exceeded Bill Elliott's 1985 mark.

[2][9] Wilson received the Golden Wrench Award from the North Carolina Stock Car Racing Hall of Fame in 2006, the same year that Waltrip was inducted.

[10] Wilson was selected to be one of three retired crew chiefs to vote for the inaugural class for the NASCAR Hall of Fame.