- Source: DeWayne Barrett
- DeWayne Barrett
- Dwayne
- List of Universiade medalists in athletics (men)
- Athletics at the 2005 Summer Universiade – Men's 400 metres
- Athletics at the 2005 Summer Universiade – Men's 4 × 400 metres relay
- Athletics at the 2005 Summer Universiade – Men's 200 metres
- Adrian Findlay
- 4 × 400 metres relay
- 2007 NACAC Championships in Athletics – Results
- List of World Athletics Indoor Championships medalists (men)
DeWayne Barrett (born December 27, 1981) is a Jamaican sprinter who specializes in the 400 meters. He won a silver medal in the 4x400 m relay at the 2008 World Indoor Championships in Valencia, along with Michael Blackwood, Edino Steele, and Adrian Findlay. He also won a silver medal in the 2005 Summer Universiade in the 400 m.
He attended St. John's University in New York City, and graduated in 2005.