Chad Thomas Vaughn (born May 11, 1980) is an American Olympic weightlifter.
He was a member of the 2004 Olympic team in Athens, Greece, and ranked 18th in the 77 kg category, lifting a total of 320 kg.
He competed in the 85 kg category at the 2005 World Weightlifting Championships, and ranked 14th lifting a total of 335 kg.
At the 2007 World Weightlifting Championships he ranked 24th in the 77 kg category, lifting a total of 326 kg.
He qualified for the 2008 Summer Olympics.
Vaughn currently resides in San Antonio, Texas, and is coached by Richard Flemming.